Home / 103,376.64-155,073.60-44,209.92

Finding the Fourth Proportional to 103,376.64, 155,073.60 and 44,209.92

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Solution

The fourth proportional to 103,376.64, 155,073.60 and 44,209.92 is: 66,318.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,376.64 : 155,073.60 = 44,209.92 : x
  2. Step 2: Convert to fraction form
    103,376.64/155,073.60 = 44,209.92/x
  3. Step 3: Cross multiply
    103,376.64x = 155,073.60 × 44,209.92
  4. Step 4: Simplify right side
    103,376.64x = 6,855,791,450.11
  5. Step 5: Solve for x
    x = 6,855,791,450.11/103,376.64
  6. Step 6: Final answer
    x = 66,318.57

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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.