Home / 74,119.50-111,210.12-29,777.76

Finding the Fourth Proportional to 74,119.50, 111,210.12 and 29,777.76

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Solution

The fourth proportional to 74,119.50, 111,210.12 and 29,777.76 is: 44,679.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,119.50 : 111,210.12 = 29,777.76 : x
  2. Step 2: Convert to fraction form
    74,119.50/111,210.12 = 29,777.76/x
  3. Step 3: Cross multiply
    74,119.50x = 111,210.12 × 29,777.76
  4. Step 4: Simplify right side
    74,119.50x = 3,311,588,262.93
  5. Step 5: Solve for x
    x = 3,311,588,262.93/74,119.50
  6. Step 6: Final answer
    x = 44,679.04

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Double scale
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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.