Home / 117,774.72-162,531.20-67,473.92

Finding the Fourth Proportional to 117,774.72, 162,531.20 and 67,473.92

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Solution

The fourth proportional to 117,774.72, 162,531.20 and 67,473.92 is: 93,115.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,774.72 : 162,531.20 = 67,473.92 : x
  2. Step 2: Convert to fraction form
    117,774.72/162,531.20 = 67,473.92/x
  3. Step 3: Cross multiply
    117,774.72x = 162,531.20 × 67,473.92
  4. Step 4: Simplify right side
    117,774.72x = 10,966,617,186.30
  5. Step 5: Solve for x
    x = 10,966,617,186.30/117,774.72
  6. Step 6: Final answer
    x = 93,115.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.