Home / 87,082.85-130,607.73-30,920.69

Finding the Fourth Proportional to 87,082.85, 130,607.73 and 30,920.69

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Solution

The fourth proportional to 87,082.85, 130,607.73 and 30,920.69 is: 46,375.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,082.85 : 130,607.73 = 30,920.69 : x
  2. Step 2: Convert to fraction form
    87,082.85/130,607.73 = 30,920.69/x
  3. Step 3: Cross multiply
    87,082.85x = 130,607.73 × 30,920.69
  4. Step 4: Simplify right side
    87,082.85x = 4,038,480,477.90
  5. Step 5: Solve for x
    x = 4,038,480,477.90/87,082.85
  6. Step 6: Final answer
    x = 46,375.16

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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.