Home / 125,053.25-172,557.41-71,335.06

Finding the Fourth Proportional to 125,053.25, 172,557.41 and 71,335.06

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Solution

The fourth proportional to 125,053.25, 172,557.41 and 71,335.06 is: 98,433.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,053.25 : 172,557.41 = 71,335.06 : x
  2. Step 2: Convert to fraction form
    125,053.25/172,557.41 = 71,335.06/x
  3. Step 3: Cross multiply
    125,053.25x = 172,557.41 × 71,335.06
  4. Step 4: Simplify right side
    125,053.25x = 12,309,393,374.13
  5. Step 5: Solve for x
    x = 12,309,393,374.13/125,053.25
  6. Step 6: Final answer
    x = 98,433.22

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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.