Home / 90,472.65-124,867.20-50,199.36

Finding the Fourth Proportional to 90,472.65, 124,867.20 and 50,199.36

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Solution

The fourth proportional to 90,472.65, 124,867.20 and 50,199.36 is: 69,283.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,472.65 : 124,867.20 = 50,199.36 : x
  2. Step 2: Convert to fraction form
    90,472.65/124,867.20 = 50,199.36/x
  3. Step 3: Cross multiply
    90,472.65x = 124,867.20 × 50,199.36
  4. Step 4: Simplify right side
    90,472.65x = 6,268,253,524.99
  5. Step 5: Solve for x
    x = 6,268,253,524.99/90,472.65
  6. Step 6: Final answer
    x = 69,283.41

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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.