Home / 87,244.90-130,766.88-49,831.82

Finding the Fourth Proportional to 87,244.90, 130,766.88 and 49,831.82

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Solution

The fourth proportional to 87,244.90, 130,766.88 and 49,831.82 is: 74,690.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,244.90 : 130,766.88 = 49,831.82 : x
  2. Step 2: Convert to fraction form
    87,244.90/130,766.88 = 49,831.82/x
  3. Step 3: Cross multiply
    87,244.90x = 130,766.88 × 49,831.82
  4. Step 4: Simplify right side
    87,244.90x = 6,516,351,693.27
  5. Step 5: Solve for x
    x = 6,516,351,693.27/87,244.90
  6. Step 6: Final answer
    x = 74,690.35

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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.