Home / 83,338.08-115,062.24-49,357.50

Finding the Fourth Proportional to 83,338.08, 115,062.24 and 49,357.50

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Solution

The fourth proportional to 83,338.08, 115,062.24 and 49,357.50 is: 68,146.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,338.08 : 115,062.24 = 49,357.50 : x
  2. Step 2: Convert to fraction form
    83,338.08/115,062.24 = 49,357.50/x
  3. Step 3: Cross multiply
    83,338.08x = 115,062.24 × 49,357.50
  4. Step 4: Simplify right side
    83,338.08x = 5,679,184,510.80
  5. Step 5: Solve for x
    x = 5,679,184,510.80/83,338.08
  6. Step 6: Final answer
    x = 68,146.33

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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.