Home / 90,471.27-124,855.66-50,189.47

Finding the Fourth Proportional to 90,471.27, 124,855.66 and 50,189.47

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Solution

The fourth proportional to 90,471.27, 124,855.66 and 50,189.47 is: 69,264.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,471.27 : 124,855.66 = 50,189.47 : x
  2. Step 2: Convert to fraction form
    90,471.27/124,855.66 = 50,189.47/x
  3. Step 3: Cross multiply
    90,471.27x = 124,855.66 × 50,189.47
  4. Step 4: Simplify right side
    90,471.27x = 6,266,439,152.50
  5. Step 5: Solve for x
    x = 6,266,439,152.50/90,471.27
  6. Step 6: Final answer
    x = 69,264.41

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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.