Home / 109,307.18-150,854.67-63,982.42

Finding the Fourth Proportional to 109,307.18, 150,854.67 and 63,982.42

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Solution

The fourth proportional to 109,307.18, 150,854.67 and 63,982.42 is: 88,302.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,307.18 : 150,854.67 = 63,982.42 : x
  2. Step 2: Convert to fraction form
    109,307.18/150,854.67 = 63,982.42/x
  3. Step 3: Cross multiply
    109,307.18x = 150,854.67 × 63,982.42
  4. Step 4: Simplify right side
    109,307.18x = 9,652,046,854.90
  5. Step 5: Solve for x
    x = 9,652,046,854.90/109,307.18
  6. Step 6: Final answer
    x = 88,302.04

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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.