Home / 124,700.85-187,125.03-45,870.39

Finding the Fourth Proportional to 124,700.85, 187,125.03 and 45,870.39

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Solution

The fourth proportional to 124,700.85, 187,125.03 and 45,870.39 is: 68,832.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,700.85 : 187,125.03 = 45,870.39 : x
  2. Step 2: Convert to fraction form
    124,700.85/187,125.03 = 45,870.39/x
  3. Step 3: Cross multiply
    124,700.85x = 187,125.03 × 45,870.39
  4. Step 4: Simplify right side
    124,700.85x = 8,583,498,104.86
  5. Step 5: Solve for x
    x = 8,583,498,104.86/124,700.85
  6. Step 6: Final answer
    x = 68,832.72

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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.