Home / 81,590.54-122,362.29-22,428.14

Finding the Fourth Proportional to 81,590.54, 122,362.29 and 22,428.14

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Solution

The fourth proportional to 81,590.54, 122,362.29 and 22,428.14 is: 33,635.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,590.54 : 122,362.29 = 22,428.14 : x
  2. Step 2: Convert to fraction form
    81,590.54/122,362.29 = 22,428.14/x
  3. Step 3: Cross multiply
    81,590.54x = 122,362.29 × 22,428.14
  4. Step 4: Simplify right side
    81,590.54x = 2,744,358,570.84
  5. Step 5: Solve for x
    x = 2,744,358,570.84/81,590.54
  6. Step 6: Final answer
    x = 33,635.74

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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.