Home / 81,264.50-112,145.28-45,452.22

Finding the Fourth Proportional to 81,264.50, 112,145.28 and 45,452.22

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Solution

The fourth proportional to 81,264.50, 112,145.28 and 45,452.22 is: 62,724.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,264.50 : 112,145.28 = 45,452.22 : x
  2. Step 2: Convert to fraction form
    81,264.50/112,145.28 = 45,452.22/x
  3. Step 3: Cross multiply
    81,264.50x = 112,145.28 × 45,452.22
  4. Step 4: Simplify right side
    81,264.50x = 5,097,251,938.52
  5. Step 5: Solve for x
    x = 5,097,251,938.52/81,264.50
  6. Step 6: Final answer
    x = 62,724.21

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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.