Home / 81,347.20-112,473.33-71,246.67

Finding the Fourth Proportional to 81,347.20, 112,473.33 and 71,246.67

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Solution

The fourth proportional to 81,347.20, 112,473.33 and 71,246.67 is: 98,508.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,347.20 : 112,473.33 = 71,246.67 : x
  2. Step 2: Convert to fraction form
    81,347.20/112,473.33 = 71,246.67/x
  3. Step 3: Cross multiply
    81,347.20x = 112,473.33 × 71,246.67
  4. Step 4: Simplify right side
    81,347.20x = 8,013,350,226.31
  5. Step 5: Solve for x
    x = 8,013,350,226.31/81,347.20
  6. Step 6: Final answer
    x = 98,508.01

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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.