Home / 67,180.73-92,722.66-38,519.64

Finding the Fourth Proportional to 67,180.73, 92,722.66 and 38,519.64

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Solution

The fourth proportional to 67,180.73, 92,722.66 and 38,519.64 is: 53,164.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,180.73 : 92,722.66 = 38,519.64 : x
  2. Step 2: Convert to fraction form
    67,180.73/92,722.66 = 38,519.64/x
  3. Step 3: Cross multiply
    67,180.73x = 92,722.66 × 38,519.64
  4. Step 4: Simplify right side
    67,180.73x = 3,571,643,386.74
  5. Step 5: Solve for x
    x = 3,571,643,386.74/67,180.73
  6. Step 6: Final answer
    x = 53,164.70

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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.