Home / 66,140.44-99,209.46-21,767.56

Finding the Fourth Proportional to 66,140.44, 99,209.46 and 21,767.56

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Solution

The fourth proportional to 66,140.44, 99,209.46 and 21,767.56 is: 32,650.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,140.44 : 99,209.46 = 21,767.56 : x
  2. Step 2: Convert to fraction form
    66,140.44/99,209.46 = 21,767.56/x
  3. Step 3: Cross multiply
    66,140.44x = 99,209.46 × 21,767.56
  4. Step 4: Simplify right side
    66,140.44x = 2,159,547,873.12
  5. Step 5: Solve for x
    x = 2,159,547,873.12/66,140.44
  6. Step 6: Final answer
    x = 32,650.95

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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.