Home / 74,712.48-112,079.52-22,115.04

Finding the Fourth Proportional to 74,712.48, 112,079.52 and 22,115.04

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Solution

The fourth proportional to 74,712.48, 112,079.52 and 22,115.04 is: 33,175.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,712.48 : 112,079.52 = 22,115.04 : x
  2. Step 2: Convert to fraction form
    74,712.48/112,079.52 = 22,115.04/x
  3. Step 3: Cross multiply
    74,712.48x = 112,079.52 × 22,115.04
  4. Step 4: Simplify right side
    74,712.48x = 2,478,643,067.98
  5. Step 5: Solve for x
    x = 2,478,643,067.98/74,712.48
  6. Step 6: Final answer
    x = 33,175.76

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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.