Home / 117,553.46-162,270.02-79,335.50

Finding the Fourth Proportional to 117,553.46, 162,270.02 and 79,335.50

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Solution

The fourth proportional to 117,553.46, 162,270.02 and 79,335.50 is: 109,514.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,553.46 : 162,270.02 = 79,335.50 : x
  2. Step 2: Convert to fraction form
    117,553.46/162,270.02 = 79,335.50/x
  3. Step 3: Cross multiply
    117,553.46x = 162,270.02 × 79,335.50
  4. Step 4: Simplify right side
    117,553.46x = 12,873,773,171.71
  5. Step 5: Solve for x
    x = 12,873,773,171.71/117,553.46
  6. Step 6: Final answer
    x = 109,514.20

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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.