Home / 67,573.20-93,252.16-39,278.90

Finding the Fourth Proportional to 67,573.20, 93,252.16 and 39,278.90

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Solution

The fourth proportional to 67,573.20, 93,252.16 and 39,278.90 is: 54,205.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,573.20 : 93,252.16 = 39,278.90 : x
  2. Step 2: Convert to fraction form
    67,573.20/93,252.16 = 39,278.90/x
  3. Step 3: Cross multiply
    67,573.20x = 93,252.16 × 39,278.90
  4. Step 4: Simplify right side
    67,573.20x = 3,662,842,267.42
  5. Step 5: Solve for x
    x = 3,662,842,267.42/67,573.20
  6. Step 6: Final answer
    x = 54,205.55

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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.