Home / 74,330.05-111,512.10-32,217.20

Finding the Fourth Proportional to 74,330.05, 111,512.10 and 32,217.20

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Solution

The fourth proportional to 74,330.05, 111,512.10 and 32,217.20 is: 48,333.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,330.05 : 111,512.10 = 32,217.20 : x
  2. Step 2: Convert to fraction form
    74,330.05/111,512.10 = 32,217.20/x
  3. Step 3: Cross multiply
    74,330.05x = 111,512.10 × 32,217.20
  4. Step 4: Simplify right side
    74,330.05x = 3,592,607,628.12
  5. Step 5: Solve for x
    x = 3,592,607,628.12/74,330.05
  6. Step 6: Final answer
    x = 48,333.18

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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.