Home / 67,112.32-92,660.92-61,425.26

Finding the Fourth Proportional to 67,112.32, 92,660.92 and 61,425.26

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Solution

The fourth proportional to 67,112.32, 92,660.92 and 61,425.26 is: 84,808.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,112.32 : 92,660.92 = 61,425.26 : x
  2. Step 2: Convert to fraction form
    67,112.32/92,660.92 = 61,425.26/x
  3. Step 3: Cross multiply
    67,112.32x = 92,660.92 × 61,425.26
  4. Step 4: Simplify right side
    67,112.32x = 5,691,721,102.84
  5. Step 5: Solve for x
    x = 5,691,721,102.84/67,112.32
  6. Step 6: Final answer
    x = 84,808.89

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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.