Home / 90,559.08-124,972.02-50,272.20

Finding the Fourth Proportional to 90,559.08, 124,972.02 and 50,272.20

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Solution

The fourth proportional to 90,559.08, 124,972.02 and 50,272.20 is: 69,375.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,559.08 : 124,972.02 = 50,272.20 : x
  2. Step 2: Convert to fraction form
    90,559.08/124,972.02 = 50,272.20/x
  3. Step 3: Cross multiply
    90,559.08x = 124,972.02 × 50,272.20
  4. Step 4: Simplify right side
    90,559.08x = 6,282,618,383.84
  5. Step 5: Solve for x
    x = 6,282,618,383.84/90,559.08
  6. Step 6: Final answer
    x = 69,375.91

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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.