Home / 85,120.49-127,727.17-35,204.91

Finding the Fourth Proportional to 85,120.49, 127,727.17 and 35,204.91

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Solution

The fourth proportional to 85,120.49, 127,727.17 and 35,204.91 is: 52,826.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,120.49 : 127,727.17 = 35,204.91 : x
  2. Step 2: Convert to fraction form
    85,120.49/127,727.17 = 35,204.91/x
  3. Step 3: Cross multiply
    85,120.49x = 127,727.17 × 35,204.91
  4. Step 4: Simplify right side
    85,120.49x = 4,496,623,348.38
  5. Step 5: Solve for x
    x = 4,496,623,348.38/85,120.49
  6. Step 6: Final answer
    x = 52,826.57

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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.