Home / 67,343.82-92,930.10-37,129.40

Finding the Fourth Proportional to 67,343.82, 92,930.10 and 37,129.40

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Solution

The fourth proportional to 67,343.82, 92,930.10 and 37,129.40 is: 51,236.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,343.82 : 92,930.10 = 37,129.40 : x
  2. Step 2: Convert to fraction form
    67,343.82/92,930.10 = 37,129.40/x
  3. Step 3: Cross multiply
    67,343.82x = 92,930.10 × 37,129.40
  4. Step 4: Simplify right side
    67,343.82x = 3,450,438,854.94
  5. Step 5: Solve for x
    x = 3,450,438,854.94/67,343.82
  6. Step 6: Final answer
    x = 51,236.16

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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.