Home / 78,868.60-108,837.24-44,876.35

Finding the Fourth Proportional to 78,868.60, 108,837.24 and 44,876.35

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Solution

The fourth proportional to 78,868.60, 108,837.24 and 44,876.35 is: 61,928.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,868.60 : 108,837.24 = 44,876.35 : x
  2. Step 2: Convert to fraction form
    78,868.60/108,837.24 = 44,876.35/x
  3. Step 3: Cross multiply
    78,868.60x = 108,837.24 × 44,876.35
  4. Step 4: Simplify right side
    78,868.60x = 4,884,218,075.27
  5. Step 5: Solve for x
    x = 4,884,218,075.27/78,868.60
  6. Step 6: Final answer
    x = 61,928.55

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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.