Home / 57,112.43-85,671.07-17,670.29

Finding the Fourth Proportional to 57,112.43, 85,671.07 and 17,670.29

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Solution

The fourth proportional to 57,112.43, 85,671.07 and 17,670.29 is: 26,506.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,112.43 : 85,671.07 = 17,670.29 : x
  2. Step 2: Convert to fraction form
    57,112.43/85,671.07 = 17,670.29/x
  3. Step 3: Cross multiply
    57,112.43x = 85,671.07 × 17,670.29
  4. Step 4: Simplify right side
    57,112.43x = 1,513,832,178.98
  5. Step 5: Solve for x
    x = 1,513,832,178.98/57,112.43
  6. Step 6: Final answer
    x = 26,506.18

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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.