Home / 74,658.30-111,987.45-27,908.70

Finding the Fourth Proportional to 74,658.30, 111,987.45 and 27,908.70

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Solution

The fourth proportional to 74,658.30, 111,987.45 and 27,908.70 is: 41,863.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,658.30 : 111,987.45 = 27,908.70 : x
  2. Step 2: Convert to fraction form
    74,658.30/111,987.45 = 27,908.70/x
  3. Step 3: Cross multiply
    74,658.30x = 111,987.45 × 27,908.70
  4. Step 4: Simplify right side
    74,658.30x = 3,125,424,145.82
  5. Step 5: Solve for x
    x = 3,125,424,145.82/74,658.30
  6. Step 6: Final answer
    x = 41,863.05

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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.