Home / 90,470.26-124,850.96-50,182.72

Finding the Fourth Proportional to 90,470.26, 124,850.96 and 50,182.72

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Solution

The fourth proportional to 90,470.26, 124,850.96 and 50,182.72 is: 69,253.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,470.26 : 124,850.96 = 50,182.72 : x
  2. Step 2: Convert to fraction form
    90,470.26/124,850.96 = 50,182.72/x
  3. Step 3: Cross multiply
    90,470.26x = 124,850.96 × 50,182.72
  4. Step 4: Simplify right side
    90,470.26x = 6,265,360,767.41
  5. Step 5: Solve for x
    x = 6,265,360,767.41/90,470.26
  6. Step 6: Final answer
    x = 69,253.26

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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.