Home / 66,416.25-99,603.42-26,417.85

Finding the Fourth Proportional to 66,416.25, 99,603.42 and 26,417.85

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Solution

The fourth proportional to 66,416.25, 99,603.42 and 26,417.85 is: 39,618.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,416.25 : 99,603.42 = 26,417.85 : x
  2. Step 2: Convert to fraction form
    66,416.25/99,603.42 = 26,417.85/x
  3. Step 3: Cross multiply
    66,416.25x = 99,603.42 × 26,417.85
  4. Step 4: Simplify right side
    66,416.25x = 2,631,307,736.47
  5. Step 5: Solve for x
    x = 2,631,307,736.47/66,416.25
  6. Step 6: Final answer
    x = 39,618.43

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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.