Home / 73,990.02-102,082.96-45,279.75

Finding the Fourth Proportional to 73,990.02, 102,082.96 and 45,279.75

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Solution

The fourth proportional to 73,990.02, 102,082.96 and 45,279.75 is: 62,471.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,990.02 : 102,082.96 = 45,279.75 : x
  2. Step 2: Convert to fraction form
    73,990.02/102,082.96 = 45,279.75/x
  3. Step 3: Cross multiply
    73,990.02x = 102,082.96 × 45,279.75
  4. Step 4: Simplify right side
    73,990.02x = 4,622,290,908.06
  5. Step 5: Solve for x
    x = 4,622,290,908.06/73,990.02
  6. Step 6: Final answer
    x = 62,471.82

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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.