Home / 125,279.28-187,898.91-36,512.01

Finding the Fourth Proportional to 125,279.28, 187,898.91 and 36,512.01

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Solution

The fourth proportional to 125,279.28, 187,898.91 and 36,512.01 is: 54,762.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,279.28 : 187,898.91 = 36,512.01 : x
  2. Step 2: Convert to fraction form
    125,279.28/187,898.91 = 36,512.01/x
  3. Step 3: Cross multiply
    125,279.28x = 187,898.91 × 36,512.01
  4. Step 4: Simplify right side
    125,279.28x = 6,860,566,880.91
  5. Step 5: Solve for x
    x = 6,860,566,880.91/125,279.28
  6. Step 6: Final answer
    x = 54,762.18

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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.