Home / 67,582.32-93,260.88-39,285.78

Finding the Fourth Proportional to 67,582.32, 93,260.88 and 39,285.78

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Solution

The fourth proportional to 67,582.32, 93,260.88 and 39,285.78 is: 54,212.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,582.32 : 93,260.88 = 39,285.78 : x
  2. Step 2: Convert to fraction form
    67,582.32/93,260.88 = 39,285.78/x
  3. Step 3: Cross multiply
    67,582.32x = 93,260.88 × 39,285.78
  4. Step 4: Simplify right side
    67,582.32x = 3,663,826,414.29
  5. Step 5: Solve for x
    x = 3,663,826,414.29/67,582.32
  6. Step 6: Final answer
    x = 54,212.79

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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.