Home / 80,469.38-111,045.63-44,658.47

Finding the Fourth Proportional to 80,469.38, 111,045.63 and 44,658.47

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Solution

The fourth proportional to 80,469.38, 111,045.63 and 44,658.47 is: 61,627.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,469.38 : 111,045.63 = 44,658.47 : x
  2. Step 2: Convert to fraction form
    80,469.38/111,045.63 = 44,658.47/x
  3. Step 3: Cross multiply
    80,469.38x = 111,045.63 × 44,658.47
  4. Step 4: Simplify right side
    80,469.38x = 4,959,128,381.07
  5. Step 5: Solve for x
    x = 4,959,128,381.07/80,469.38
  6. Step 6: Final answer
    x = 61,627.52

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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.