Home / 71,544.32-98,757.66-61,432.16

Finding the Fourth Proportional to 71,544.32, 98,757.66 and 61,432.16

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Solution

The fourth proportional to 71,544.32, 98,757.66 and 61,432.16 is: 84,799.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,544.32 : 98,757.66 = 61,432.16 : x
  2. Step 2: Convert to fraction form
    71,544.32/98,757.66 = 61,432.16/x
  3. Step 3: Cross multiply
    71,544.32x = 98,757.66 × 61,432.16
  4. Step 4: Simplify right side
    71,544.32x = 6,066,896,370.35
  5. Step 5: Solve for x
    x = 6,066,896,370.35/71,544.32
  6. Step 6: Final answer
    x = 84,799.13

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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.