Home / 66,115.14-99,246.68-43,971.90

Finding the Fourth Proportional to 66,115.14, 99,246.68 and 43,971.90

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Solution

The fourth proportional to 66,115.14, 99,246.68 and 43,971.90 is: 66,007.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,115.14 : 99,246.68 = 43,971.90 : x
  2. Step 2: Convert to fraction form
    66,115.14/99,246.68 = 43,971.90/x
  3. Step 3: Cross multiply
    66,115.14x = 99,246.68 × 43,971.90
  4. Step 4: Simplify right side
    66,115.14x = 4,364,065,088.29
  5. Step 5: Solve for x
    x = 4,364,065,088.29/66,115.14
  6. Step 6: Final answer
    x = 66,007.05

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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.