Home / 83,688.10-125,505.50-27,515.24

Finding the Fourth Proportional to 83,688.10, 125,505.50 and 27,515.24

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Solution

The fourth proportional to 83,688.10, 125,505.50 and 27,515.24 is: 41,264.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,688.10 : 125,505.50 = 27,515.24 : x
  2. Step 2: Convert to fraction form
    83,688.10/125,505.50 = 27,515.24/x
  3. Step 3: Cross multiply
    83,688.10x = 125,505.50 × 27,515.24
  4. Step 4: Simplify right side
    83,688.10x = 3,453,313,953.82
  5. Step 5: Solve for x
    x = 3,453,313,953.82/83,688.10
  6. Step 6: Final answer
    x = 41,264.10

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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.