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Finding the Fourth Proportional to 66,063.46, 91,167.11 and 35,848.01

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Solution

The fourth proportional to 66,063.46, 91,167.11 and 35,848.01 is: 49,470.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,063.46 : 91,167.11 = 35,848.01 : x
  2. Step 2: Convert to fraction form
    66,063.46/91,167.11 = 35,848.01/x
  3. Step 3: Cross multiply
    66,063.46x = 91,167.11 × 35,848.01
  4. Step 4: Simplify right side
    66,063.46x = 3,268,159,754.88
  5. Step 5: Solve for x
    x = 3,268,159,754.88/66,063.46
  6. Step 6: Final answer
    x = 49,470.01

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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.