Home / 71,566.32-98,757.36-39,734.40

Finding the Fourth Proportional to 71,566.32, 98,757.36 and 39,734.40

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Solution

The fourth proportional to 71,566.32, 98,757.36 and 39,734.40 is: 54,831.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,566.32 : 98,757.36 = 39,734.40 : x
  2. Step 2: Convert to fraction form
    71,566.32/98,757.36 = 39,734.40/x
  3. Step 3: Cross multiply
    71,566.32x = 98,757.36 × 39,734.40
  4. Step 4: Simplify right side
    71,566.32x = 3,924,064,445.18
  5. Step 5: Solve for x
    x = 3,924,064,445.18/71,566.32
  6. Step 6: Final answer
    x = 54,831.16

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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.