Home / 91,983.42-126,934.11-51,696.18

Finding the Fourth Proportional to 91,983.42, 126,934.11 and 51,696.18

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Solution

The fourth proportional to 91,983.42, 126,934.11 and 51,696.18 is: 71,339.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,983.42 : 126,934.11 = 51,696.18 : x
  2. Step 2: Convert to fraction form
    91,983.42/126,934.11 = 51,696.18/x
  3. Step 3: Cross multiply
    91,983.42x = 126,934.11 × 51,696.18
  4. Step 4: Simplify right side
    91,983.42x = 6,562,008,598.70
  5. Step 5: Solve for x
    x = 6,562,008,598.70/91,983.42
  6. Step 6: Final answer
    x = 71,339.04

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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.