Home / 82,517.94-113,436.92-70,990.76

Finding the Fourth Proportional to 82,517.94, 113,436.92 and 70,990.76

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Solution

The fourth proportional to 82,517.94, 113,436.92 and 70,990.76 is: 97,590.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,517.94 : 113,436.92 = 70,990.76 : x
  2. Step 2: Convert to fraction form
    82,517.94/113,436.92 = 70,990.76/x
  3. Step 3: Cross multiply
    82,517.94x = 113,436.92 × 70,990.76
  4. Step 4: Simplify right side
    82,517.94x = 8,052,973,162.86
  5. Step 5: Solve for x
    x = 8,052,973,162.86/82,517.94
  6. Step 6: Final answer
    x = 97,590.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.