Home / 74,416.80-111,560.40-44,803.20

Finding the Fourth Proportional to 74,416.80, 111,560.40 and 44,803.20

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Solution

The fourth proportional to 74,416.80, 111,560.40 and 44,803.20 is: 67,165.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,416.80 : 111,560.40 = 44,803.20 : x
  2. Step 2: Convert to fraction form
    74,416.80/111,560.40 = 44,803.20/x
  3. Step 3: Cross multiply
    74,416.80x = 111,560.40 × 44,803.20
  4. Step 4: Simplify right side
    74,416.80x = 4,998,262,913.28
  5. Step 5: Solve for x
    x = 4,998,262,913.28/74,416.80
  6. Step 6: Final answer
    x = 67,165.79

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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.