Home / 125,045.20-187,592.10-36,301.60

Finding the Fourth Proportional to 125,045.20, 187,592.10 and 36,301.60

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Solution

The fourth proportional to 125,045.20, 187,592.10 and 36,301.60 is: 54,459.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,045.20 : 187,592.10 = 36,301.60 : x
  2. Step 2: Convert to fraction form
    125,045.20/187,592.10 = 36,301.60/x
  3. Step 3: Cross multiply
    125,045.20x = 187,592.10 × 36,301.60
  4. Step 4: Simplify right side
    125,045.20x = 6,809,893,377.36
  5. Step 5: Solve for x
    x = 6,809,893,377.36/125,045.20
  6. Step 6: Final answer
    x = 54,459.45

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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.