Home / 125,053.49-187,445.75-54,009.68

Finding the Fourth Proportional to 125,053.49, 187,445.75 and 54,009.68

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Solution

The fourth proportional to 125,053.49, 187,445.75 and 54,009.68 is: 80,956.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,053.49 : 187,445.75 = 54,009.68 : x
  2. Step 2: Convert to fraction form
    125,053.49/187,445.75 = 54,009.68/x
  3. Step 3: Cross multiply
    125,053.49x = 187,445.75 × 54,009.68
  4. Step 4: Simplify right side
    125,053.49x = 10,123,883,767.58
  5. Step 5: Solve for x
    x = 10,123,883,767.58/125,053.49
  6. Step 6: Final answer
    x = 80,956.43

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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.