Home / 125,084.18-187,627.44-31,589.84

Finding the Fourth Proportional to 125,084.18, 187,627.44 and 31,589.84

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Solution

The fourth proportional to 125,084.18, 187,627.44 and 31,589.84 is: 47,385.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,084.18 : 187,627.44 = 31,589.84 : x
  2. Step 2: Convert to fraction form
    125,084.18/187,627.44 = 31,589.84/x
  3. Step 3: Cross multiply
    125,084.18x = 187,627.44 × 31,589.84
  4. Step 4: Simplify right side
    125,084.18x = 5,927,120,809.21
  5. Step 5: Solve for x
    x = 5,927,120,809.21/125,084.18
  6. Step 6: Final answer
    x = 47,385.06

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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.