Home / 83,688.24-115,489.41-45,447.52

Finding the Fourth Proportional to 83,688.24, 115,489.41 and 45,447.52

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Solution

The fourth proportional to 83,688.24, 115,489.41 and 45,447.52 is: 62,717.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,688.24 : 115,489.41 = 45,447.52 : x
  2. Step 2: Convert to fraction form
    83,688.24/115,489.41 = 45,447.52/x
  3. Step 3: Cross multiply
    83,688.24x = 115,489.41 × 45,447.52
  4. Step 4: Simplify right side
    83,688.24x = 5,248,706,982.04
  5. Step 5: Solve for x
    x = 5,248,706,982.04/83,688.24
  6. Step 6: Final answer
    x = 62,717.38

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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.