Home / 103,669.90-155,511.91-35,253.59

Finding the Fourth Proportional to 103,669.90, 155,511.91 and 35,253.59

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Solution

The fourth proportional to 103,669.90, 155,511.91 and 35,253.59 is: 52,882.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,669.90 : 155,511.91 = 35,253.59 : x
  2. Step 2: Convert to fraction form
    103,669.90/155,511.91 = 35,253.59/x
  3. Step 3: Cross multiply
    103,669.90x = 155,511.91 × 35,253.59
  4. Step 4: Simplify right side
    103,669.90x = 5,482,353,115.26
  5. Step 5: Solve for x
    x = 5,482,353,115.26/103,669.90
  6. Step 6: Final answer
    x = 52,882.79

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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.