Home / 89,610.78-134,396.10-26,417.40

Finding the Fourth Proportional to 89,610.78, 134,396.10 and 26,417.40

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Solution

The fourth proportional to 89,610.78, 134,396.10 and 26,417.40 is: 39,620.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,610.78 : 134,396.10 = 26,417.40 : x
  2. Step 2: Convert to fraction form
    89,610.78/134,396.10 = 26,417.40/x
  3. Step 3: Cross multiply
    89,610.78x = 134,396.10 × 26,417.40
  4. Step 4: Simplify right side
    89,610.78x = 3,550,395,532.14
  5. Step 5: Solve for x
    x = 3,550,395,532.14/89,610.78
  6. Step 6: Final answer
    x = 39,620.18

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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.