Home / 74,710.68-112,065.72-22,115.88

Finding the Fourth Proportional to 74,710.68, 112,065.72 and 22,115.88

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Solution

The fourth proportional to 74,710.68, 112,065.72 and 22,115.88 is: 33,173.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,710.68 : 112,065.72 = 22,115.88 : x
  2. Step 2: Convert to fraction form
    74,710.68/112,065.72 = 22,115.88/x
  3. Step 3: Cross multiply
    74,710.68x = 112,065.72 × 22,115.88
  4. Step 4: Simplify right side
    74,710.68x = 2,478,432,015.63
  5. Step 5: Solve for x
    x = 2,478,432,015.63/74,710.68
  6. Step 6: Final answer
    x = 33,173.73

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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.