Home / 80,926.12-111,614.74-52,640.84

Finding the Fourth Proportional to 80,926.12, 111,614.74 and 52,640.84

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Solution

The fourth proportional to 80,926.12, 111,614.74 and 52,640.84 is: 72,603.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,926.12 : 111,614.74 = 52,640.84 : x
  2. Step 2: Convert to fraction form
    80,926.12/111,614.74 = 52,640.84/x
  3. Step 3: Cross multiply
    80,926.12x = 111,614.74 × 52,640.84
  4. Step 4: Simplify right side
    80,926.12x = 5,875,493,669.98
  5. Step 5: Solve for x
    x = 5,875,493,669.98/80,926.12
  6. Step 6: Final answer
    x = 72,603.18

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1.5x scale

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.