Home / 49,429.24-74,143.89-28,506.06

Finding the Fourth Proportional to 49,429.24, 74,143.89 and 28,506.06

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Solution

The fourth proportional to 49,429.24, 74,143.89 and 28,506.06 is: 42,759.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,429.24 : 74,143.89 = 28,506.06 : x
  2. Step 2: Convert to fraction form
    49,429.24/74,143.89 = 28,506.06/x
  3. Step 3: Cross multiply
    49,429.24x = 74,143.89 × 28,506.06
  4. Step 4: Simplify right side
    49,429.24x = 2,113,550,176.97
  5. Step 5: Solve for x
    x = 2,113,550,176.97/49,429.24
  6. Step 6: Final answer
    x = 42,759.11

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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.