Home / 87,465.28-120,702.59-49,225.59

Finding the Fourth Proportional to 87,465.28, 120,702.59 and 49,225.59

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Solution

The fourth proportional to 87,465.28, 120,702.59 and 49,225.59 is: 67,931.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,465.28 : 120,702.59 = 49,225.59 : x
  2. Step 2: Convert to fraction form
    87,465.28/120,702.59 = 49,225.59/x
  3. Step 3: Cross multiply
    87,465.28x = 120,702.59 × 49,225.59
  4. Step 4: Simplify right side
    87,465.28x = 5,941,656,207.28
  5. Step 5: Solve for x
    x = 5,941,656,207.28/87,465.28
  6. Step 6: Final answer
    x = 67,931.60

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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.