Home / 78,548.30-108,397.31-44,556.84

Finding the Fourth Proportional to 78,548.30, 108,397.31 and 44,556.84

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Solution

The fourth proportional to 78,548.30, 108,397.31 and 44,556.84 is: 61,488.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,548.30 : 108,397.31 = 44,556.84 : x
  2. Step 2: Convert to fraction form
    78,548.30/108,397.31 = 44,556.84/x
  3. Step 3: Cross multiply
    78,548.30x = 108,397.31 × 44,556.84
  4. Step 4: Simplify right side
    78,548.30x = 4,829,841,375.32
  5. Step 5: Solve for x
    x = 4,829,841,375.32/78,548.30
  6. Step 6: Final answer
    x = 61,488.81

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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.