Home / 103,575.17-155,366.10-28,696.04

Finding the Fourth Proportional to 103,575.17, 155,366.10 and 28,696.04

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Solution

The fourth proportional to 103,575.17, 155,366.10 and 28,696.04 is: 43,044.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,575.17 : 155,366.10 = 28,696.04 : x
  2. Step 2: Convert to fraction form
    103,575.17/155,366.10 = 28,696.04/x
  3. Step 3: Cross multiply
    103,575.17x = 155,366.10 × 28,696.04
  4. Step 4: Simplify right side
    103,575.17x = 4,458,391,626.04
  5. Step 5: Solve for x
    x = 4,458,391,626.04/103,575.17
  6. Step 6: Final answer
    x = 43,044.98

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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.