Home / 109,098.18-150,537.92-61,348.68

Finding the Fourth Proportional to 109,098.18, 150,537.92 and 61,348.68

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Solution

The fourth proportional to 109,098.18, 150,537.92 and 61,348.68 is: 84,651.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,098.18 : 150,537.92 = 61,348.68 : x
  2. Step 2: Convert to fraction form
    109,098.18/150,537.92 = 61,348.68/x
  3. Step 3: Cross multiply
    109,098.18x = 150,537.92 × 61,348.68
  4. Step 4: Simplify right side
    109,098.18x = 9,235,302,681.95
  5. Step 5: Solve for x
    x = 9,235,302,681.95/109,098.18
  6. Step 6: Final answer
    x = 84,651.30

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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.