Home / 78,537.09-108,372.97-44,534.71

Finding the Fourth Proportional to 78,537.09, 108,372.97 and 44,534.71

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Solution

The fourth proportional to 78,537.09, 108,372.97 and 44,534.71 is: 61,453.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,537.09 : 108,372.97 = 44,534.71 : x
  2. Step 2: Convert to fraction form
    78,537.09/108,372.97 = 44,534.71/x
  3. Step 3: Cross multiply
    78,537.09x = 108,372.97 × 44,534.71
  4. Step 4: Simplify right side
    78,537.09x = 4,826,358,981.92
  5. Step 5: Solve for x
    x = 4,826,358,981.92/78,537.09
  6. Step 6: Final answer
    x = 61,453.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.