Home / 125,118.60-187,678.54-31,624.44

Finding the Fourth Proportional to 125,118.60, 187,678.54 and 31,624.44

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Solution

The fourth proportional to 125,118.60, 187,678.54 and 31,624.44 is: 47,436.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,118.60 : 187,678.54 = 31,624.44 : x
  2. Step 2: Convert to fraction form
    125,118.60/187,678.54 = 31,624.44/x
  3. Step 3: Cross multiply
    125,118.60x = 187,678.54 × 31,624.44
  4. Step 4: Simplify right side
    125,118.60x = 5,935,228,727.52
  5. Step 5: Solve for x
    x = 5,935,228,727.52/125,118.60
  6. Step 6: Final answer
    x = 47,436.82

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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.