Home / 57,347.28-79,138.08-32,196.78

Finding the Fourth Proportional to 57,347.28, 79,138.08 and 32,196.78

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Solution

The fourth proportional to 57,347.28, 79,138.08 and 32,196.78 is: 44,430.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,347.28 : 79,138.08 = 32,196.78 : x
  2. Step 2: Convert to fraction form
    57,347.28/79,138.08 = 32,196.78/x
  3. Step 3: Cross multiply
    57,347.28x = 79,138.08 × 32,196.78
  4. Step 4: Simplify right side
    57,347.28x = 2,547,991,351.38
  5. Step 5: Solve for x
    x = 2,547,991,351.38/57,347.28
  6. Step 6: Final answer
    x = 44,430.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.