Home / 67,479.48-93,117.60-40,630.68

Finding the Fourth Proportional to 67,479.48, 93,117.60 and 40,630.68

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Solution

The fourth proportional to 67,479.48, 93,117.60 and 40,630.68 is: 56,067.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,479.48 : 93,117.60 = 40,630.68 : x
  2. Step 2: Convert to fraction form
    67,479.48/93,117.60 = 40,630.68/x
  3. Step 3: Cross multiply
    67,479.48x = 93,117.60 × 40,630.68
  4. Step 4: Simplify right side
    67,479.48x = 3,783,431,407.97
  5. Step 5: Solve for x
    x = 3,783,431,407.97/67,479.48
  6. Step 6: Final answer
    x = 56,067.88

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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.