Home / 80,060.16-120,061.44-27,455.52

Finding the Fourth Proportional to 80,060.16, 120,061.44 and 27,455.52

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Solution

The fourth proportional to 80,060.16, 120,061.44 and 27,455.52 is: 41,173.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,060.16 : 120,061.44 = 27,455.52 : x
  2. Step 2: Convert to fraction form
    80,060.16/120,061.44 = 27,455.52/x
  3. Step 3: Cross multiply
    80,060.16x = 120,061.44 × 27,455.52
  4. Step 4: Simplify right side
    80,060.16x = 3,296,349,267.15
  5. Step 5: Solve for x
    x = 3,296,349,267.15/80,060.16
  6. Step 6: Final answer
    x = 41,173.40

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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.