Home / 87,329.48-130,881.12-36,671.06

Finding the Fourth Proportional to 87,329.48, 130,881.12 and 36,671.06

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Solution

The fourth proportional to 87,329.48, 130,881.12 and 36,671.06 is: 54,959.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,329.48 : 130,881.12 = 36,671.06 : x
  2. Step 2: Convert to fraction form
    87,329.48/130,881.12 = 36,671.06/x
  3. Step 3: Cross multiply
    87,329.48x = 130,881.12 × 36,671.06
  4. Step 4: Simplify right side
    87,329.48x = 4,799,549,594.07
  5. Step 5: Solve for x
    x = 4,799,549,594.07/87,329.48
  6. Step 6: Final answer
    x = 54,959.10

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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.