Home / 87,818.16-121,188.72-47,532.61

Finding the Fourth Proportional to 87,818.16, 121,188.72 and 47,532.61

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Solution

The fourth proportional to 87,818.16, 121,188.72 and 47,532.61 is: 65,594.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,818.16 : 121,188.72 = 47,532.61 : x
  2. Step 2: Convert to fraction form
    87,818.16/121,188.72 = 47,532.61/x
  3. Step 3: Cross multiply
    87,818.16x = 121,188.72 × 47,532.61
  4. Step 4: Simplify right side
    87,818.16x = 5,760,416,164.16
  5. Step 5: Solve for x
    x = 5,760,416,164.16/87,818.16
  6. Step 6: Final answer
    x = 65,594.82

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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.