Home / 87,131.66-120,017.63-61,594.10

Finding the Fourth Proportional to 87,131.66, 120,017.63 and 61,594.10

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Solution

The fourth proportional to 87,131.66, 120,017.63 and 61,594.10 is: 84,841.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,131.66 : 120,017.63 = 61,594.10 : x
  2. Step 2: Convert to fraction form
    87,131.66/120,017.63 = 61,594.10/x
  3. Step 3: Cross multiply
    87,131.66x = 120,017.63 × 61,594.10
  4. Step 4: Simplify right side
    87,131.66x = 7,392,378,358.01
  5. Step 5: Solve for x
    x = 7,392,378,358.01/87,131.66
  6. Step 6: Final answer
    x = 84,841.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.