Home / 74,868.12-112,322.39-32,751.95

Finding the Fourth Proportional to 74,868.12, 112,322.39 and 32,751.95

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Solution

The fourth proportional to 74,868.12, 112,322.39 and 32,751.95 is: 49,136.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,868.12 : 112,322.39 = 32,751.95 : x
  2. Step 2: Convert to fraction form
    74,868.12/112,322.39 = 32,751.95/x
  3. Step 3: Cross multiply
    74,868.12x = 112,322.39 × 32,751.95
  4. Step 4: Simplify right side
    74,868.12x = 3,678,776,575.79
  5. Step 5: Solve for x
    x = 3,678,776,575.79/74,868.12
  6. Step 6: Final answer
    x = 49,136.76

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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.