Home / 112,731.72-168,829.17-65,246.82

Finding the Fourth Proportional to 112,731.72, 168,829.17 and 65,246.82

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Solution

The fourth proportional to 112,731.72, 168,829.17 and 65,246.82 is: 97,714.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,731.72 : 168,829.17 = 65,246.82 : x
  2. Step 2: Convert to fraction form
    112,731.72/168,829.17 = 65,246.82/x
  3. Step 3: Cross multiply
    112,731.72x = 168,829.17 × 65,246.82
  4. Step 4: Simplify right side
    112,731.72x = 11,015,566,465.74
  5. Step 5: Solve for x
    x = 11,015,566,465.74/112,731.72
  6. Step 6: Final answer
    x = 97,714.88

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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.