Home / 58,465.07-80,627.97-38,314.63

Finding the Fourth Proportional to 58,465.07, 80,627.97 and 38,314.63

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Solution

The fourth proportional to 58,465.07, 80,627.97 and 38,314.63 is: 52,838.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,465.07 : 80,627.97 = 38,314.63 : x
  2. Step 2: Convert to fraction form
    58,465.07/80,627.97 = 38,314.63/x
  3. Step 3: Cross multiply
    58,465.07x = 80,627.97 × 38,314.63
  4. Step 4: Simplify right side
    58,465.07x = 3,089,230,838.20
  5. Step 5: Solve for x
    x = 3,089,230,838.20/58,465.07
  6. Step 6: Final answer
    x = 52,838.91

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.