Home / 87,338.26-130,994.64-42,953.10

Finding the Fourth Proportional to 87,338.26, 130,994.64 and 42,953.10

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Solution

The fourth proportional to 87,338.26, 130,994.64 and 42,953.10 is: 64,423.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,338.26 : 130,994.64 = 42,953.10 : x
  2. Step 2: Convert to fraction form
    87,338.26/130,994.64 = 42,953.10/x
  3. Step 3: Cross multiply
    87,338.26x = 130,994.64 × 42,953.10
  4. Step 4: Simplify right side
    87,338.26x = 5,626,625,871.38
  5. Step 5: Solve for x
    x = 5,626,625,871.38/87,338.26
  6. Step 6: Final answer
    x = 64,423.38

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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.