Home / 82,766.40-114,217.20-45,040.92

Finding the Fourth Proportional to 82,766.40, 114,217.20 and 45,040.92

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Solution

The fourth proportional to 82,766.40, 114,217.20 and 45,040.92 is: 62,156.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,766.40 : 114,217.20 = 45,040.92 : x
  2. Step 2: Convert to fraction form
    82,766.40/114,217.20 = 45,040.92/x
  3. Step 3: Cross multiply
    82,766.40x = 114,217.20 × 45,040.92
  4. Step 4: Simplify right side
    82,766.40x = 5,144,447,767.82
  5. Step 5: Solve for x
    x = 5,144,447,767.82/82,766.40
  6. Step 6: Final answer
    x = 62,156.23

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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.