Home / 65,766.52-90,736.28-40,246.28

Finding the Fourth Proportional to 65,766.52, 90,736.28 and 40,246.28

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Solution

The fourth proportional to 65,766.52, 90,736.28 and 40,246.28 is: 55,526.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,766.52 : 90,736.28 = 40,246.28 : x
  2. Step 2: Convert to fraction form
    65,766.52/90,736.28 = 40,246.28/x
  3. Step 3: Cross multiply
    65,766.52x = 90,736.28 × 40,246.28
  4. Step 4: Simplify right side
    65,766.52x = 3,651,797,731.04
  5. Step 5: Solve for x
    x = 3,651,797,731.04/65,766.52
  6. Step 6: Final answer
    x = 55,526.70

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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.