Home / 87,002.58-130,504.64-34,412.06

Finding the Fourth Proportional to 87,002.58, 130,504.64 and 34,412.06

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Solution

The fourth proportional to 87,002.58, 130,504.64 and 34,412.06 is: 51,618.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,002.58 : 130,504.64 = 34,412.06 : x
  2. Step 2: Convert to fraction form
    87,002.58/130,504.64 = 34,412.06/x
  3. Step 3: Cross multiply
    87,002.58x = 130,504.64 × 34,412.06
  4. Step 4: Simplify right side
    87,002.58x = 4,490,933,501.96
  5. Step 5: Solve for x
    x = 4,490,933,501.96/87,002.58
  6. Step 6: Final answer
    x = 51,618.39

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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.