Home / 87,304.16-120,479.76-49,584.16

Finding the Fourth Proportional to 87,304.16, 120,479.76 and 49,584.16

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Solution

The fourth proportional to 87,304.16, 120,479.76 and 49,584.16 is: 68,426.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,304.16 : 120,479.76 = 49,584.16 : x
  2. Step 2: Convert to fraction form
    87,304.16/120,479.76 = 49,584.16/x
  3. Step 3: Cross multiply
    87,304.16x = 120,479.76 × 49,584.16
  4. Step 4: Simplify right side
    87,304.16x = 5,973,887,696.60
  5. Step 5: Solve for x
    x = 5,973,887,696.60/87,304.16
  6. Step 6: Final answer
    x = 68,426.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.