Home / 78,976.10-108,974.40-44,985.24

Finding the Fourth Proportional to 78,976.10, 108,974.40 and 44,985.24

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Solution

The fourth proportional to 78,976.10, 108,974.40 and 44,985.24 is: 62,072.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,976.10 : 108,974.40 = 44,985.24 : x
  2. Step 2: Convert to fraction form
    78,976.10/108,974.40 = 44,985.24/x
  3. Step 3: Cross multiply
    78,976.10x = 108,974.40 × 44,985.24
  4. Step 4: Simplify right side
    78,976.10x = 4,902,239,537.86
  5. Step 5: Solve for x
    x = 4,902,239,537.86/78,976.10
  6. Step 6: Final answer
    x = 62,072.45

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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.