Home / 74,793.20-112,156.98-28,013.26

Finding the Fourth Proportional to 74,793.20, 112,156.98 and 28,013.26

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Solution

The fourth proportional to 74,793.20, 112,156.98 and 28,013.26 is: 42,007.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,793.20 : 112,156.98 = 28,013.26 : x
  2. Step 2: Convert to fraction form
    74,793.20/112,156.98 = 28,013.26/x
  3. Step 3: Cross multiply
    74,793.20x = 112,156.98 × 28,013.26
  4. Step 4: Simplify right side
    74,793.20x = 3,141,882,641.55
  5. Step 5: Solve for x
    x = 3,141,882,641.55/74,793.20
  6. Step 6: Final answer
    x = 42,007.60

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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.