Home / 61,265.07-91,902.75-16,891.80

Finding the Fourth Proportional to 61,265.07, 91,902.75 and 16,891.80

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Solution

The fourth proportional to 61,265.07, 91,902.75 and 16,891.80 is: 25,339.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,265.07 : 91,902.75 = 16,891.80 : x
  2. Step 2: Convert to fraction form
    61,265.07/91,902.75 = 16,891.80/x
  3. Step 3: Cross multiply
    61,265.07x = 91,902.75 × 16,891.80
  4. Step 4: Simplify right side
    61,265.07x = 1,552,402,872.45
  5. Step 5: Solve for x
    x = 1,552,402,872.45/61,265.07
  6. Step 6: Final answer
    x = 25,339.12

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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.