Home / 72,934.91-100,677.84-49,075.43

Finding the Fourth Proportional to 72,934.91, 100,677.84 and 49,075.43

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Solution

The fourth proportional to 72,934.91, 100,677.84 and 49,075.43 is: 67,742.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,934.91 : 100,677.84 = 49,075.43 : x
  2. Step 2: Convert to fraction form
    72,934.91/100,677.84 = 49,075.43/x
  3. Step 3: Cross multiply
    72,934.91x = 100,677.84 × 49,075.43
  4. Step 4: Simplify right side
    72,934.91x = 4,940,807,786.08
  5. Step 5: Solve for x
    x = 4,940,807,786.08/72,934.91
  6. Step 6: Final answer
    x = 67,742.71

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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.