Home / 117,586.11-162,270.03-63,872.18

Finding the Fourth Proportional to 117,586.11, 162,270.03 and 63,872.18

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Solution

The fourth proportional to 117,586.11, 162,270.03 and 63,872.18 is: 88,144.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,586.11 : 162,270.03 = 63,872.18 : x
  2. Step 2: Convert to fraction form
    117,586.11/162,270.03 = 63,872.18/x
  3. Step 3: Cross multiply
    117,586.11x = 162,270.03 × 63,872.18
  4. Step 4: Simplify right side
    117,586.11x = 10,364,539,753.42
  5. Step 5: Solve for x
    x = 10,364,539,753.42/117,586.11
  6. Step 6: Final answer
    x = 88,144.25

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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.