Home / 124,459.43-171,749.45-67,869.59

Finding the Fourth Proportional to 124,459.43, 171,749.45 and 67,869.59

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Solution

The fourth proportional to 124,459.43, 171,749.45 and 67,869.59 is: 93,657.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,459.43 : 171,749.45 = 67,869.59 : x
  2. Step 2: Convert to fraction form
    124,459.43/171,749.45 = 67,869.59/x
  3. Step 3: Cross multiply
    124,459.43x = 171,749.45 × 67,869.59
  4. Step 4: Simplify right side
    124,459.43x = 11,656,564,414.88
  5. Step 5: Solve for x
    x = 11,656,564,414.88/124,459.43
  6. Step 6: Final answer
    x = 93,657.54

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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.