Home / 87,087.83-130,615.32-33,779.70

Finding the Fourth Proportional to 87,087.83, 130,615.32 and 33,779.70

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Solution

The fourth proportional to 87,087.83, 130,615.32 and 33,779.70 is: 50,663.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,087.83 : 130,615.32 = 33,779.70 : x
  2. Step 2: Convert to fraction form
    87,087.83/130,615.32 = 33,779.70/x
  3. Step 3: Cross multiply
    87,087.83x = 130,615.32 × 33,779.70
  4. Step 4: Simplify right side
    87,087.83x = 4,412,146,325.00
  5. Step 5: Solve for x
    x = 4,412,146,325.00/87,087.83
  6. Step 6: Final answer
    x = 50,663.18

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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.