Home / 81,269.15-112,091.51-58,682.70

Finding the Fourth Proportional to 81,269.15, 112,091.51 and 58,682.70

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Solution

The fourth proportional to 81,269.15, 112,091.51 and 58,682.70 is: 80,938.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,269.15 : 112,091.51 = 58,682.70 : x
  2. Step 2: Convert to fraction form
    81,269.15/112,091.51 = 58,682.70/x
  3. Step 3: Cross multiply
    81,269.15x = 112,091.51 × 58,682.70
  4. Step 4: Simplify right side
    81,269.15x = 6,577,832,600.58
  5. Step 5: Solve for x
    x = 6,577,832,600.58/81,269.15
  6. Step 6: Final answer
    x = 80,938.87

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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.