Home / 67,112.73-92,613.60-36,898.11

Finding the Fourth Proportional to 67,112.73, 92,613.60 and 36,898.11

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Solution

The fourth proportional to 67,112.73, 92,613.60 and 36,898.11 is: 50,918.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,112.73 : 92,613.60 = 36,898.11 : x
  2. Step 2: Convert to fraction form
    67,112.73/92,613.60 = 36,898.11/x
  3. Step 3: Cross multiply
    67,112.73x = 92,613.60 × 36,898.11
  4. Step 4: Simplify right side
    67,112.73x = 3,417,266,800.30
  5. Step 5: Solve for x
    x = 3,417,266,800.30/67,112.73
  6. Step 6: Final answer
    x = 50,918.31

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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.