Home / 90,372.02-124,713.38-50,091.84

Finding the Fourth Proportional to 90,372.02, 124,713.38 and 50,091.84

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Solution

The fourth proportional to 90,372.02, 124,713.38 and 50,091.84 is: 69,126.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,372.02 : 124,713.38 = 50,091.84 : x
  2. Step 2: Convert to fraction form
    90,372.02/124,713.38 = 50,091.84/x
  3. Step 3: Cross multiply
    90,372.02x = 124,713.38 × 50,091.84
  4. Step 4: Simplify right side
    90,372.02x = 6,247,122,802.05
  5. Step 5: Solve for x
    x = 6,247,122,802.05/90,372.02
  6. Step 6: Final answer
    x = 69,126.74

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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.