Home / 78,855.95-108,823.68-44,869.37

Finding the Fourth Proportional to 78,855.95, 108,823.68 and 44,869.37

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Solution

The fourth proportional to 78,855.95, 108,823.68 and 44,869.37 is: 61,921.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,855.95 : 108,823.68 = 44,869.37 : x
  2. Step 2: Convert to fraction form
    78,855.95/108,823.68 = 44,869.37/x
  3. Step 3: Cross multiply
    78,855.95x = 108,823.68 × 44,869.37
  4. Step 4: Simplify right side
    78,855.95x = 4,882,849,418.56
  5. Step 5: Solve for x
    x = 4,882,849,418.56/78,855.95
  6. Step 6: Final answer
    x = 61,921.13

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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.