Home / 75,830.16-113,735.32-22,521.04

Finding the Fourth Proportional to 75,830.16, 113,735.32 and 22,521.04

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Solution

The fourth proportional to 75,830.16, 113,735.32 and 22,521.04 is: 33,778.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,830.16 : 113,735.32 = 22,521.04 : x
  2. Step 2: Convert to fraction form
    75,830.16/113,735.32 = 22,521.04/x
  3. Step 3: Cross multiply
    75,830.16x = 113,735.32 × 22,521.04
  4. Step 4: Simplify right side
    75,830.16x = 2,561,437,477.17
  5. Step 5: Solve for x
    x = 2,561,437,477.17/75,830.16
  6. Step 6: Final answer
    x = 33,778.61

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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.