Home / 66,435.23-99,540.07-40,084.61

Finding the Fourth Proportional to 66,435.23, 99,540.07 and 40,084.61

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Solution

The fourth proportional to 66,435.23, 99,540.07 and 40,084.61 is: 60,058.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,435.23 : 99,540.07 = 40,084.61 : x
  2. Step 2: Convert to fraction form
    66,435.23/99,540.07 = 40,084.61/x
  3. Step 3: Cross multiply
    66,435.23x = 99,540.07 × 40,084.61
  4. Step 4: Simplify right side
    66,435.23x = 3,990,024,885.32
  5. Step 5: Solve for x
    x = 3,990,024,885.32/66,435.23
  6. Step 6: Final answer
    x = 60,058.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.