Home / 83,519.38-125,276.63-30,927.70

Finding the Fourth Proportional to 83,519.38, 125,276.63 and 30,927.70

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Solution

The fourth proportional to 83,519.38, 125,276.63 and 30,927.70 is: 46,390.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,519.38 : 125,276.63 = 30,927.70 : x
  2. Step 2: Convert to fraction form
    83,519.38/125,276.63 = 30,927.70/x
  3. Step 3: Cross multiply
    83,519.38x = 125,276.63 × 30,927.70
  4. Step 4: Simplify right side
    83,519.38x = 3,874,517,403.27
  5. Step 5: Solve for x
    x = 3,874,517,403.27/83,519.38
  6. Step 6: Final answer
    x = 46,390.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.