Home / 125,046.06-172,577.43-71,344.32

Finding the Fourth Proportional to 125,046.06, 172,577.43 and 71,344.32

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Solution

The fourth proportional to 125,046.06, 172,577.43 and 71,344.32 is: 98,463.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,046.06 : 172,577.43 = 71,344.32 : x
  2. Step 2: Convert to fraction form
    125,046.06/172,577.43 = 71,344.32/x
  3. Step 3: Cross multiply
    125,046.06x = 172,577.43 × 71,344.32
  4. Step 4: Simplify right side
    125,046.06x = 12,312,419,390.70
  5. Step 5: Solve for x
    x = 12,312,419,390.70/125,046.06
  6. Step 6: Final answer
    x = 98,463.07

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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.