Home / 89,577.78-134,345.07-26,380.68

Finding the Fourth Proportional to 89,577.78, 134,345.07 and 26,380.68

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Solution

The fourth proportional to 89,577.78, 134,345.07 and 26,380.68 is: 39,564.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,577.78 : 134,345.07 = 26,380.68 : x
  2. Step 2: Convert to fraction form
    89,577.78/134,345.07 = 26,380.68/x
  3. Step 3: Cross multiply
    89,577.78x = 134,345.07 × 26,380.68
  4. Step 4: Simplify right side
    89,577.78x = 3,544,114,301.25
  5. Step 5: Solve for x
    x = 3,544,114,301.25/89,577.78
  6. Step 6: Final answer
    x = 39,564.66

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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.