Home / 57,108.66-85,667.31-17,669.76

Finding the Fourth Proportional to 57,108.66, 85,667.31 and 17,669.76

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Solution

The fourth proportional to 57,108.66, 85,667.31 and 17,669.76 is: 26,505.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,108.66 : 85,667.31 = 17,669.76 : x
  2. Step 2: Convert to fraction form
    57,108.66/85,667.31 = 17,669.76/x
  3. Step 3: Cross multiply
    57,108.66x = 85,667.31 × 17,669.76
  4. Step 4: Simplify right side
    57,108.66x = 1,513,720,807.55
  5. Step 5: Solve for x
    x = 1,513,720,807.55/57,108.66
  6. Step 6: Final answer
    x = 26,505.98

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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.