Home / 124,680.04-187,044.45-45,794.86

Finding the Fourth Proportional to 124,680.04, 187,044.45 and 45,794.86

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Solution

The fourth proportional to 124,680.04, 187,044.45 and 45,794.86 is: 68,701.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,680.04 : 187,044.45 = 45,794.86 : x
  2. Step 2: Convert to fraction form
    124,680.04/187,044.45 = 45,794.86/x
  3. Step 3: Cross multiply
    124,680.04x = 187,044.45 × 45,794.86
  4. Step 4: Simplify right side
    124,680.04x = 8,565,674,401.53
  5. Step 5: Solve for x
    x = 8,565,674,401.53/124,680.04
  6. Step 6: Final answer
    x = 68,701.25

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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.