Home / 126,472.90-189,712.59-59,897.38

Finding the Fourth Proportional to 126,472.90, 189,712.59 and 59,897.38

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Solution

The fourth proportional to 126,472.90, 189,712.59 and 59,897.38 is: 89,847.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,472.90 : 189,712.59 = 59,897.38 : x
  2. Step 2: Convert to fraction form
    126,472.90/189,712.59 = 59,897.38/x
  3. Step 3: Cross multiply
    126,472.90x = 189,712.59 × 59,897.38
  4. Step 4: Simplify right side
    126,472.90x = 11,363,287,094.01
  5. Step 5: Solve for x
    x = 11,363,287,094.01/126,472.90
  6. Step 6: Final answer
    x = 89,847.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.