Home / 71,432.60-98,577.72-39,602.04

Finding the Fourth Proportional to 71,432.60, 98,577.72 and 39,602.04

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Solution

The fourth proportional to 71,432.60, 98,577.72 and 39,602.04 is: 54,651.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,432.60 : 98,577.72 = 39,602.04 : x
  2. Step 2: Convert to fraction form
    71,432.60/98,577.72 = 39,602.04/x
  3. Step 3: Cross multiply
    71,432.60x = 98,577.72 × 39,602.04
  4. Step 4: Simplify right side
    71,432.60x = 3,903,878,810.55
  5. Step 5: Solve for x
    x = 3,903,878,810.55/71,432.60
  6. Step 6: Final answer
    x = 54,651.22

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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.