Home / 89,778.48-134,687.36-26,603.54

Finding the Fourth Proportional to 89,778.48, 134,687.36 and 26,603.54

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Solution

The fourth proportional to 89,778.48, 134,687.36 and 26,603.54 is: 39,911.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,778.48 : 134,687.36 = 26,603.54 : x
  2. Step 2: Convert to fraction form
    89,778.48/134,687.36 = 26,603.54/x
  3. Step 3: Cross multiply
    89,778.48x = 134,687.36 × 26,603.54
  4. Step 4: Simplify right side
    89,778.48x = 3,583,160,569.25
  5. Step 5: Solve for x
    x = 3,583,160,569.25/89,778.48
  6. Step 6: Final answer
    x = 39,911.13

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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.