Home / 66,643.35-99,864.18-29,182.47

Finding the Fourth Proportional to 66,643.35, 99,864.18 and 29,182.47

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Solution

The fourth proportional to 66,643.35, 99,864.18 and 29,182.47 is: 43,729.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,643.35 : 99,864.18 = 29,182.47 : x
  2. Step 2: Convert to fraction form
    66,643.35/99,864.18 = 29,182.47/x
  3. Step 3: Cross multiply
    66,643.35x = 99,864.18 × 29,182.47
  4. Step 4: Simplify right side
    66,643.35x = 2,914,283,436.92
  5. Step 5: Solve for x
    x = 2,914,283,436.92/66,643.35
  6. Step 6: Final answer
    x = 43,729.55

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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.