Home / 55,119.15-82,712.76-25,531.47

Finding the Fourth Proportional to 55,119.15, 82,712.76 and 25,531.47

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Solution

The fourth proportional to 55,119.15, 82,712.76 and 25,531.47 is: 38,312.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,119.15 : 82,712.76 = 25,531.47 : x
  2. Step 2: Convert to fraction form
    55,119.15/82,712.76 = 25,531.47/x
  3. Step 3: Cross multiply
    55,119.15x = 82,712.76 × 25,531.47
  4. Step 4: Simplify right side
    55,119.15x = 2,111,778,350.56
  5. Step 5: Solve for x
    x = 2,111,778,350.56/55,119.15
  6. Step 6: Final answer
    x = 38,312.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.