Home / 67,987.86-93,836.67-43,442.97

Finding the Fourth Proportional to 67,987.86, 93,836.67 and 43,442.97

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Solution

The fourth proportional to 67,987.86, 93,836.67 and 43,442.97 is: 59,959.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,987.86 : 93,836.67 = 43,442.97 : x
  2. Step 2: Convert to fraction form
    67,987.86/93,836.67 = 43,442.97/x
  3. Step 3: Cross multiply
    67,987.86x = 93,836.67 × 43,442.97
  4. Step 4: Simplify right side
    67,987.86x = 4,076,543,639.71
  5. Step 5: Solve for x
    x = 4,076,543,639.71/67,987.86
  6. Step 6: Final answer
    x = 59,959.88

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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.