Home / 66,789.29-92,168.34-38,108.19

Finding the Fourth Proportional to 66,789.29, 92,168.34 and 38,108.19

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Solution

The fourth proportional to 66,789.29, 92,168.34 and 38,108.19 is: 52,588.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,789.29 : 92,168.34 = 38,108.19 : x
  2. Step 2: Convert to fraction form
    66,789.29/92,168.34 = 38,108.19/x
  3. Step 3: Cross multiply
    66,789.29x = 92,168.34 × 38,108.19
  4. Step 4: Simplify right side
    66,789.29x = 3,512,368,612.70
  5. Step 5: Solve for x
    x = 3,512,368,612.70/66,789.29
  6. Step 6: Final answer
    x = 52,588.80

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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.