Home / 66,615.30-99,836.28-27,126.18

Finding the Fourth Proportional to 66,615.30, 99,836.28 and 27,126.18

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Solution

The fourth proportional to 66,615.30, 99,836.28 and 27,126.18 is: 40,653.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,615.30 : 99,836.28 = 27,126.18 : x
  2. Step 2: Convert to fraction form
    66,615.30/99,836.28 = 27,126.18/x
  3. Step 3: Cross multiply
    66,615.30x = 99,836.28 × 27,126.18
  4. Step 4: Simplify right side
    66,615.30x = 2,708,176,901.81
  5. Step 5: Solve for x
    x = 2,708,176,901.81/66,615.30
  6. Step 6: Final answer
    x = 40,653.98

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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.