Home / 90,479.15-124,855.60-50,192.11

Finding the Fourth Proportional to 90,479.15, 124,855.60 and 50,192.11

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Solution

The fourth proportional to 90,479.15, 124,855.60 and 50,192.11 is: 69,261.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,479.15 : 124,855.60 = 50,192.11 : x
  2. Step 2: Convert to fraction form
    90,479.15/124,855.60 = 50,192.11/x
  3. Step 3: Cross multiply
    90,479.15x = 124,855.60 × 50,192.11
  4. Step 4: Simplify right side
    90,479.15x = 6,266,765,572.87
  5. Step 5: Solve for x
    x = 6,266,765,572.87/90,479.15
  6. Step 6: Final answer
    x = 69,261.98

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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.