Home / 90,504.08-124,899-54,687.24

Finding the Fourth Proportional to 90,504.08, 124,899 and 54,687.24

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Solution

The fourth proportional to 90,504.08, 124,899 and 54,687.24 is: 75,470.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,504.08 : 124,899 = 54,687.24 : x
  2. Step 2: Convert to fraction form
    90,504.08/124,899 = 54,687.24/x
  3. Step 3: Cross multiply
    90,504.08x = 124,899 × 54,687.24
  4. Step 4: Simplify right side
    90,504.08x = 6,830,381,588.76
  5. Step 5: Solve for x
    x = 6,830,381,588.76/90,504.08
  6. Step 6: Final answer
    x = 75,470.43

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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.