Home / 87,281.12-130,884.36-33,210.36

Finding the Fourth Proportional to 87,281.12, 130,884.36 and 33,210.36

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Solution

The fourth proportional to 87,281.12, 130,884.36 and 33,210.36 is: 49,801.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,281.12 : 130,884.36 = 33,210.36 : x
  2. Step 2: Convert to fraction form
    87,281.12/130,884.36 = 33,210.36/x
  3. Step 3: Cross multiply
    87,281.12x = 130,884.36 × 33,210.36
  4. Step 4: Simplify right side
    87,281.12x = 4,346,716,713.97
  5. Step 5: Solve for x
    x = 4,346,716,713.97/87,281.12
  6. Step 6: Final answer
    x = 49,801.34

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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.