Home / 74,128.28-111,165.08-32,010.30

Finding the Fourth Proportional to 74,128.28, 111,165.08 and 32,010.30

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Solution

The fourth proportional to 74,128.28, 111,165.08 and 32,010.30 is: 48,003.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,128.28 : 111,165.08 = 32,010.30 : x
  2. Step 2: Convert to fraction form
    74,128.28/111,165.08 = 32,010.30/x
  3. Step 3: Cross multiply
    74,128.28x = 111,165.08 × 32,010.30
  4. Step 4: Simplify right side
    74,128.28x = 3,558,427,400.27
  5. Step 5: Solve for x
    x = 3,558,427,400.27/74,128.28
  6. Step 6: Final answer
    x = 48,003.65

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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.