Home / 90,537.12-124,947.06-50,250.88

Finding the Fourth Proportional to 90,537.12, 124,947.06 and 50,250.88

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Solution

The fourth proportional to 90,537.12, 124,947.06 and 50,250.88 is: 69,349.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,537.12 : 124,947.06 = 50,250.88 : x
  2. Step 2: Convert to fraction form
    90,537.12/124,947.06 = 50,250.88/x
  3. Step 3: Cross multiply
    90,537.12x = 124,947.06 × 50,250.88
  4. Step 4: Simplify right side
    90,537.12x = 6,278,699,718.41
  5. Step 5: Solve for x
    x = 6,278,699,718.41/90,537.12
  6. Step 6: Final answer
    x = 69,349.45

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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.