Home / 74,150.20-111,074.10-45,983.80

Finding the Fourth Proportional to 74,150.20, 111,074.10 and 45,983.80

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Solution

The fourth proportional to 74,150.20, 111,074.10 and 45,983.80 is: 68,881.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,150.20 : 111,074.10 = 45,983.80 : x
  2. Step 2: Convert to fraction form
    74,150.20/111,074.10 = 45,983.80/x
  3. Step 3: Cross multiply
    74,150.20x = 111,074.10 × 45,983.80
  4. Step 4: Simplify right side
    74,150.20x = 5,107,609,199.58
  5. Step 5: Solve for x
    x = 5,107,609,199.58/74,150.20
  6. Step 6: Final answer
    x = 68,881.93

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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.