Home / 74,844.39-112,315.23-39,808.65

Finding the Fourth Proportional to 74,844.39, 112,315.23 and 39,808.65

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Solution

The fourth proportional to 74,844.39, 112,315.23 and 39,808.65 is: 59,738.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,844.39 : 112,315.23 = 39,808.65 : x
  2. Step 2: Convert to fraction form
    74,844.39/112,315.23 = 39,808.65/x
  3. Step 3: Cross multiply
    74,844.39x = 112,315.23 × 39,808.65
  4. Step 4: Simplify right side
    74,844.39x = 4,471,117,680.74
  5. Step 5: Solve for x
    x = 4,471,117,680.74/74,844.39
  6. Step 6: Final answer
    x = 59,738.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.