Home / 67,744.32-93,532.80-42,289.44

Finding the Fourth Proportional to 67,744.32, 93,532.80 and 42,289.44

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Solution

The fourth proportional to 67,744.32, 93,532.80 and 42,289.44 is: 58,387.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,744.32 : 93,532.80 = 42,289.44 : x
  2. Step 2: Convert to fraction form
    67,744.32/93,532.80 = 42,289.44/x
  3. Step 3: Cross multiply
    67,744.32x = 93,532.80 × 42,289.44
  4. Step 4: Simplify right side
    67,744.32x = 3,955,449,733.63
  5. Step 5: Solve for x
    x = 3,955,449,733.63/67,744.32
  6. Step 6: Final answer
    x = 58,387.92

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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.