Home / 87,001.58-130,503.14-34,411.06

Finding the Fourth Proportional to 87,001.58, 130,503.14 and 34,411.06

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Solution

The fourth proportional to 87,001.58, 130,503.14 and 34,411.06 is: 51,616.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,001.58 : 130,503.14 = 34,411.06 : x
  2. Step 2: Convert to fraction form
    87,001.58/130,503.14 = 34,411.06/x
  3. Step 3: Cross multiply
    87,001.58x = 130,503.14 × 34,411.06
  4. Step 4: Simplify right side
    87,001.58x = 4,490,750,556.16
  5. Step 5: Solve for x
    x = 4,490,750,556.16/87,001.58
  6. Step 6: Final answer
    x = 51,616.89

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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.