Home / 87,307.60-130,754.04-62,286.16

Finding the Fourth Proportional to 87,307.60, 130,754.04 and 62,286.16

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Solution

The fourth proportional to 87,307.60, 130,754.04 and 62,286.16 is: 93,281.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,307.60 : 130,754.04 = 62,286.16 : x
  2. Step 2: Convert to fraction form
    87,307.60/130,754.04 = 62,286.16/x
  3. Step 3: Cross multiply
    87,307.60x = 130,754.04 × 62,286.16
  4. Step 4: Simplify right side
    87,307.60x = 8,144,167,056.09
  5. Step 5: Solve for x
    x = 8,144,167,056.09/87,307.60
  6. Step 6: Final answer
    x = 93,281.31

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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.