Home / 124,489.14-171,789.81-67,897.14

Finding the Fourth Proportional to 124,489.14, 171,789.81 and 67,897.14

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Solution

The fourth proportional to 124,489.14, 171,789.81 and 67,897.14 is: 93,695.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,489.14 : 171,789.81 = 67,897.14 : x
  2. Step 2: Convert to fraction form
    124,489.14/171,789.81 = 67,897.14/x
  3. Step 3: Cross multiply
    124,489.14x = 171,789.81 × 67,897.14
  4. Step 4: Simplify right side
    124,489.14x = 11,664,036,780.14
  5. Step 5: Solve for x
    x = 11,664,036,780.14/124,489.14
  6. Step 6: Final answer
    x = 93,695.22

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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.