Home / 124,823.20-187,234.80-36,079.60

Finding the Fourth Proportional to 124,823.20, 187,234.80 and 36,079.60

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Solution

The fourth proportional to 124,823.20, 187,234.80 and 36,079.60 is: 54,119.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,823.20 : 187,234.80 = 36,079.60 : x
  2. Step 2: Convert to fraction form
    124,823.20/187,234.80 = 36,079.60/x
  3. Step 3: Cross multiply
    124,823.20x = 187,234.80 × 36,079.60
  4. Step 4: Simplify right side
    124,823.20x = 6,755,356,690.08
  5. Step 5: Solve for x
    x = 6,755,356,690.08/124,823.20
  6. Step 6: Final answer
    x = 54,119.40

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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.