Home / 74,769.43-112,154.83-22,178.91

Finding the Fourth Proportional to 74,769.43, 112,154.83 and 22,178.91

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Solution

The fourth proportional to 74,769.43, 112,154.83 and 22,178.91 is: 33,268.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,769.43 : 112,154.83 = 22,178.91 : x
  2. Step 2: Convert to fraction form
    74,769.43/112,154.83 = 22,178.91/x
  3. Step 3: Cross multiply
    74,769.43x = 112,154.83 × 22,178.91
  4. Step 4: Simplify right side
    74,769.43x = 2,487,472,245.77
  5. Step 5: Solve for x
    x = 2,487,472,245.77/74,769.43
  6. Step 6: Final answer
    x = 33,268.57

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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.