Home / 68,913.13-103,307.28-47,863.11

Finding the Fourth Proportional to 68,913.13, 103,307.28 and 47,863.11

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Solution

The fourth proportional to 68,913.13, 103,307.28 and 47,863.11 is: 71,751.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,913.13 : 103,307.28 = 47,863.11 : x
  2. Step 2: Convert to fraction form
    68,913.13/103,307.28 = 47,863.11/x
  3. Step 3: Cross multiply
    68,913.13x = 103,307.28 × 47,863.11
  4. Step 4: Simplify right side
    68,913.13x = 4,944,607,255.28
  5. Step 5: Solve for x
    x = 4,944,607,255.28/68,913.13
  6. Step 6: Final answer
    x = 71,751.30

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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.