Home / 74,412.20-111,656.28-49,469.24

Finding the Fourth Proportional to 74,412.20, 111,656.28 and 49,469.24

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Solution

The fourth proportional to 74,412.20, 111,656.28 and 49,469.24 is: 74,229.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,412.20 : 111,656.28 = 49,469.24 : x
  2. Step 2: Convert to fraction form
    74,412.20/111,656.28 = 49,469.24/x
  3. Step 3: Cross multiply
    74,412.20x = 111,656.28 × 49,469.24
  4. Step 4: Simplify right side
    74,412.20x = 5,523,551,312.83
  5. Step 5: Solve for x
    x = 5,523,551,312.83/74,412.20
  6. Step 6: Final answer
    x = 74,229.11

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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.