Home / 78,321.57-108,083.46-44,329.11

Finding the Fourth Proportional to 78,321.57, 108,083.46 and 44,329.11

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Solution

The fourth proportional to 78,321.57, 108,083.46 and 44,329.11 is: 61,174.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,321.57 : 108,083.46 = 44,329.11 : x
  2. Step 2: Convert to fraction form
    78,321.57/108,083.46 = 44,329.11/x
  3. Step 3: Cross multiply
    78,321.57x = 108,083.46 × 44,329.11
  4. Step 4: Simplify right side
    78,321.57x = 4,791,243,587.52
  5. Step 5: Solve for x
    x = 4,791,243,587.52/78,321.57
  6. Step 6: Final answer
    x = 61,174.00

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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.