Home / 103,391.40-155,087.10-41,061.90

Finding the Fourth Proportional to 103,391.40, 155,087.10 and 41,061.90

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Solution

The fourth proportional to 103,391.40, 155,087.10 and 41,061.90 is: 61,592.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,391.40 : 155,087.10 = 41,061.90 : x
  2. Step 2: Convert to fraction form
    103,391.40/155,087.10 = 41,061.90/x
  3. Step 3: Cross multiply
    103,391.40x = 155,087.10 × 41,061.90
  4. Step 4: Simplify right side
    103,391.40x = 6,368,170,991.49
  5. Step 5: Solve for x
    x = 6,368,170,991.49/103,391.40
  6. Step 6: Final answer
    x = 61,592.85

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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.