Home / 82,885.56-124,329.20-66,350.70

Finding the Fourth Proportional to 82,885.56, 124,329.20 and 66,350.70

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Solution

The fourth proportional to 82,885.56, 124,329.20 and 66,350.70 is: 99,526.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,885.56 : 124,329.20 = 66,350.70 : x
  2. Step 2: Convert to fraction form
    82,885.56/124,329.20 = 66,350.70/x
  3. Step 3: Cross multiply
    82,885.56x = 124,329.20 × 66,350.70
  4. Step 4: Simplify right side
    82,885.56x = 8,249,329,118.69
  5. Step 5: Solve for x
    x = 8,249,329,118.69/82,885.56
  6. Step 6: Final answer
    x = 99,526.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.