Home / 95,712.52-143,569.32-85,231.12

Finding the Fourth Proportional to 95,712.52, 143,569.32 and 85,231.12

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Solution

The fourth proportional to 95,712.52, 143,569.32 and 85,231.12 is: 127,847.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,712.52 : 143,569.32 = 85,231.12 : x
  2. Step 2: Convert to fraction form
    95,712.52/143,569.32 = 85,231.12/x
  3. Step 3: Cross multiply
    95,712.52x = 143,569.32 × 85,231.12
  4. Step 4: Simplify right side
    95,712.52x = 12,236,573,941.24
  5. Step 5: Solve for x
    x = 12,236,573,941.24/95,712.52
  6. Step 6: Final answer
    x = 127,847.16

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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.