Home / 66,246.09-99,354.20-18,860.14

Finding the Fourth Proportional to 66,246.09, 99,354.20 and 18,860.14

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Solution

The fourth proportional to 66,246.09, 99,354.20 and 18,860.14 is: 28,285.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,246.09 : 99,354.20 = 18,860.14 : x
  2. Step 2: Convert to fraction form
    66,246.09/99,354.20 = 18,860.14/x
  3. Step 3: Cross multiply
    66,246.09x = 99,354.20 × 18,860.14
  4. Step 4: Simplify right side
    66,246.09x = 1,873,834,151.48
  5. Step 5: Solve for x
    x = 1,873,834,151.48/66,246.09
  6. Step 6: Final answer
    x = 28,285.96

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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.