Home / 67,443.12-93,084.44-40,225.91

Finding the Fourth Proportional to 67,443.12, 93,084.44 and 40,225.91

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Solution

The fourth proportional to 67,443.12, 93,084.44 and 40,225.91 is: 55,519.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,443.12 : 93,084.44 = 40,225.91 : x
  2. Step 2: Convert to fraction form
    67,443.12/93,084.44 = 40,225.91/x
  3. Step 3: Cross multiply
    67,443.12x = 93,084.44 × 40,225.91
  4. Step 4: Simplify right side
    67,443.12x = 3,744,405,639.29
  5. Step 5: Solve for x
    x = 3,744,405,639.29/67,443.12
  6. Step 6: Final answer
    x = 55,519.46

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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.