Home / 99,327.29-148,827.08-57,242.72

Finding the Fourth Proportional to 99,327.29, 148,827.08 and 57,242.72

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Solution

The fourth proportional to 99,327.29, 148,827.08 and 57,242.72 is: 85,769.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,327.29 : 148,827.08 = 57,242.72 : x
  2. Step 2: Convert to fraction form
    99,327.29/148,827.08 = 57,242.72/x
  3. Step 3: Cross multiply
    99,327.29x = 148,827.08 × 57,242.72
  4. Step 4: Simplify right side
    99,327.29x = 8,519,266,868.86
  5. Step 5: Solve for x
    x = 8,519,266,868.86/99,327.29
  6. Step 6: Final answer
    x = 85,769.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.