Home / 74,658.17-111,920.02-27,240.16

Finding the Fourth Proportional to 74,658.17, 111,920.02 and 27,240.16

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Solution

The fourth proportional to 74,658.17, 111,920.02 and 27,240.16 is: 40,835.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,658.17 : 111,920.02 = 27,240.16 : x
  2. Step 2: Convert to fraction form
    74,658.17/111,920.02 = 27,240.16/x
  3. Step 3: Cross multiply
    74,658.17x = 111,920.02 × 27,240.16
  4. Step 4: Simplify right side
    74,658.17x = 3,048,719,115.80
  5. Step 5: Solve for x
    x = 3,048,719,115.80/74,658.17
  6. Step 6: Final answer
    x = 40,835.71

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1.5x scale

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.