Home / 42,103.13-58,046.45-34,905.87

Finding the Fourth Proportional to 42,103.13, 58,046.45 and 34,905.87

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Solution

The fourth proportional to 42,103.13, 58,046.45 and 34,905.87 is: 48,123.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,103.13 : 58,046.45 = 34,905.87 : x
  2. Step 2: Convert to fraction form
    42,103.13/58,046.45 = 34,905.87/x
  3. Step 3: Cross multiply
    42,103.13x = 58,046.45 × 34,905.87
  4. Step 4: Simplify right side
    42,103.13x = 2,026,161,663.13
  5. Step 5: Solve for x
    x = 2,026,161,663.13/42,103.13
  6. Step 6: Final answer
    x = 48,123.78

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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.