Home / 78,627.66-108,497.93-45,923.10

Finding the Fourth Proportional to 78,627.66, 108,497.93 and 45,923.10

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Solution

The fourth proportional to 78,627.66, 108,497.93 and 45,923.10 is: 63,369.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,627.66 : 108,497.93 = 45,923.10 : x
  2. Step 2: Convert to fraction form
    78,627.66/108,497.93 = 45,923.10/x
  3. Step 3: Cross multiply
    78,627.66x = 108,497.93 × 45,923.10
  4. Step 4: Simplify right side
    78,627.66x = 4,982,561,059.57
  5. Step 5: Solve for x
    x = 4,982,561,059.57/78,627.66
  6. Step 6: Final answer
    x = 63,369.06

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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.