Home / 67,114.57-100,666.08-31,567.54

Finding the Fourth Proportional to 67,114.57, 100,666.08 and 31,567.54

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Solution

The fourth proportional to 67,114.57, 100,666.08 and 31,567.54 is: 47,348.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,114.57 : 100,666.08 = 31,567.54 : x
  2. Step 2: Convert to fraction form
    67,114.57/100,666.08 = 31,567.54/x
  3. Step 3: Cross multiply
    67,114.57x = 100,666.08 × 31,567.54
  4. Step 4: Simplify right side
    67,114.57x = 3,177,780,507.04
  5. Step 5: Solve for x
    x = 3,177,780,507.04/67,114.57
  6. Step 6: Final answer
    x = 47,348.59

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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.