Home / 81,380.27-112,316.15-58,792.34

Finding the Fourth Proportional to 81,380.27, 112,316.15 and 58,792.34

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Solution

The fourth proportional to 81,380.27, 112,316.15 and 58,792.34 is: 81,141.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,380.27 : 112,316.15 = 58,792.34 : x
  2. Step 2: Convert to fraction form
    81,380.27/112,316.15 = 58,792.34/x
  3. Step 3: Cross multiply
    81,380.27x = 112,316.15 × 58,792.34
  4. Step 4: Simplify right side
    81,380.27x = 6,603,329,278.29
  5. Step 5: Solve for x
    x = 6,603,329,278.29/81,380.27
  6. Step 6: Final answer
    x = 81,141.65

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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.