Home / 67,470.20-93,117.08-39,175.89

Finding the Fourth Proportional to 67,470.20, 93,117.08 and 39,175.89

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Solution

The fourth proportional to 67,470.20, 93,117.08 and 39,175.89 is: 54,067.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,470.20 : 93,117.08 = 39,175.89 : x
  2. Step 2: Convert to fraction form
    67,470.20/93,117.08 = 39,175.89/x
  3. Step 3: Cross multiply
    67,470.20x = 93,117.08 × 39,175.89
  4. Step 4: Simplify right side
    67,470.20x = 3,647,944,483.20
  5. Step 5: Solve for x
    x = 3,647,944,483.20/67,470.20
  6. Step 6: Final answer
    x = 54,067.49

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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.