Home / 125,149.62-187,725.06-31,655.46

Finding the Fourth Proportional to 125,149.62, 187,725.06 and 31,655.46

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Solution

The fourth proportional to 125,149.62, 187,725.06 and 31,655.46 is: 47,483.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,149.62 : 187,725.06 = 31,655.46 : x
  2. Step 2: Convert to fraction form
    125,149.62/187,725.06 = 31,655.46/x
  3. Step 3: Cross multiply
    125,149.62x = 187,725.06 × 31,655.46
  4. Step 4: Simplify right side
    125,149.62x = 5,942,523,127.83
  5. Step 5: Solve for x
    x = 5,942,523,127.83/125,149.62
  6. Step 6: Final answer
    x = 47,483.35

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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.