Home / 69,138.29-103,741.32-24,768.47

Finding the Fourth Proportional to 69,138.29, 103,741.32 and 24,768.47

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Solution

The fourth proportional to 69,138.29, 103,741.32 and 24,768.47 is: 37,164.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,138.29 : 103,741.32 = 24,768.47 : x
  2. Step 2: Convert to fraction form
    69,138.29/103,741.32 = 24,768.47/x
  3. Step 3: Cross multiply
    69,138.29x = 103,741.32 × 24,768.47
  4. Step 4: Simplify right side
    69,138.29x = 2,569,513,253.47
  5. Step 5: Solve for x
    x = 2,569,513,253.47/69,138.29
  6. Step 6: Final answer
    x = 37,164.84

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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.