Home / 125,150.62-172,708.47-68,562.02

Finding the Fourth Proportional to 125,150.62, 172,708.47 and 68,562.02

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Solution

The fourth proportional to 125,150.62, 172,708.47 and 68,562.02 is: 94,615.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,150.62 : 172,708.47 = 68,562.02 : x
  2. Step 2: Convert to fraction form
    125,150.62/172,708.47 = 68,562.02/x
  3. Step 3: Cross multiply
    125,150.62x = 172,708.47 × 68,562.02
  4. Step 4: Simplify right side
    125,150.62x = 11,841,241,574.31
  5. Step 5: Solve for x
    x = 11,841,241,574.31/125,150.62
  6. Step 6: Final answer
    x = 94,615.92

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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.