Home / 64,131.13-88,443.66-40,260.03

Finding the Fourth Proportional to 64,131.13, 88,443.66 and 40,260.03

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Solution

The fourth proportional to 64,131.13, 88,443.66 and 40,260.03 is: 55,522.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,131.13 : 88,443.66 = 40,260.03 : x
  2. Step 2: Convert to fraction form
    64,131.13/88,443.66 = 40,260.03/x
  3. Step 3: Cross multiply
    64,131.13x = 88,443.66 × 40,260.03
  4. Step 4: Simplify right side
    64,131.13x = 3,560,744,404.91
  5. Step 5: Solve for x
    x = 3,560,744,404.91/64,131.13
  6. Step 6: Final answer
    x = 55,522.87

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1.5x scale

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.