Home / 80,444.56-120,670.08-38,302.96

Finding the Fourth Proportional to 80,444.56, 120,670.08 and 38,302.96

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Solution

The fourth proportional to 80,444.56, 120,670.08 and 38,302.96 is: 57,455.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,444.56 : 120,670.08 = 38,302.96 : x
  2. Step 2: Convert to fraction form
    80,444.56/120,670.08 = 38,302.96/x
  3. Step 3: Cross multiply
    80,444.56x = 120,670.08 × 38,302.96
  4. Step 4: Simplify right side
    80,444.56x = 4,622,021,247.44
  5. Step 5: Solve for x
    x = 4,622,021,247.44/80,444.56
  6. Step 6: Final answer
    x = 57,455.98

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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.