Home / 78,530.45-108,348.03-44,537.18

Finding the Fourth Proportional to 78,530.45, 108,348.03 and 44,537.18

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Solution

The fourth proportional to 78,530.45, 108,348.03 and 44,537.18 is: 61,447.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,530.45 : 108,348.03 = 44,537.18 : x
  2. Step 2: Convert to fraction form
    78,530.45/108,348.03 = 44,537.18/x
  3. Step 3: Cross multiply
    78,530.45x = 108,348.03 × 44,537.18
  4. Step 4: Simplify right side
    78,530.45x = 4,825,515,173.02
  5. Step 5: Solve for x
    x = 4,825,515,173.02/78,530.45
  6. Step 6: Final answer
    x = 61,447.70

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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.