Home / 74,077.96-111,129.18-24,143.56

Finding the Fourth Proportional to 74,077.96, 111,129.18 and 24,143.56

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Solution

The fourth proportional to 74,077.96, 111,129.18 and 24,143.56 is: 36,219.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,077.96 : 111,129.18 = 24,143.56 : x
  2. Step 2: Convert to fraction form
    74,077.96/111,129.18 = 24,143.56/x
  3. Step 3: Cross multiply
    74,077.96x = 111,129.18 × 24,143.56
  4. Step 4: Simplify right side
    74,077.96x = 2,683,054,025.08
  5. Step 5: Solve for x
    x = 2,683,054,025.08/74,077.96
  6. Step 6: Final answer
    x = 36,219.33

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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.