Home / 125,929.47-173,743.64-71,472.75

Finding the Fourth Proportional to 125,929.47, 173,743.64 and 71,472.75

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Solution

The fourth proportional to 125,929.47, 173,743.64 and 71,472.75 is: 98,610.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,929.47 : 173,743.64 = 71,472.75 : x
  2. Step 2: Convert to fraction form
    125,929.47/173,743.64 = 71,472.75/x
  3. Step 3: Cross multiply
    125,929.47x = 173,743.64 × 71,472.75
  4. Step 4: Simplify right side
    125,929.47x = 12,417,935,388.45
  5. Step 5: Solve for x
    x = 12,417,935,388.45/125,929.47
  6. Step 6: Final answer
    x = 98,610.24

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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.