Home / 90,512.64-124,881.92-58,682.88

Finding the Fourth Proportional to 90,512.64, 124,881.92 and 58,682.88

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Solution

The fourth proportional to 90,512.64, 124,881.92 and 58,682.88 is: 80,965.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,512.64 : 124,881.92 = 58,682.88 : x
  2. Step 2: Convert to fraction form
    90,512.64/124,881.92 = 58,682.88/x
  3. Step 3: Cross multiply
    90,512.64x = 124,881.92 × 58,682.88
  4. Step 4: Simplify right side
    90,512.64x = 7,328,430,725.53
  5. Step 5: Solve for x
    x = 7,328,430,725.53/90,512.64
  6. Step 6: Final answer
    x = 80,965.83

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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.