Home / 61,329.10-91,993.65-19,209.53

Finding the Fourth Proportional to 61,329.10, 91,993.65 and 19,209.53

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Solution

The fourth proportional to 61,329.10, 91,993.65 and 19,209.53 is: 28,814.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,329.10 : 91,993.65 = 19,209.53 : x
  2. Step 2: Convert to fraction form
    61,329.10/91,993.65 = 19,209.53/x
  3. Step 3: Cross multiply
    61,329.10x = 91,993.65 × 19,209.53
  4. Step 4: Simplify right side
    61,329.10x = 1,767,154,732.73
  5. Step 5: Solve for x
    x = 1,767,154,732.73/61,329.10
  6. Step 6: Final answer
    x = 28,814.29

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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.