Home / 89,829.18-134,720.75-26,634.56

Finding the Fourth Proportional to 89,829.18, 134,720.75 and 26,634.56

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Solution

The fourth proportional to 89,829.18, 134,720.75 and 26,634.56 is: 39,945.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,829.18 : 134,720.75 = 26,634.56 : x
  2. Step 2: Convert to fraction form
    89,829.18/134,720.75 = 26,634.56/x
  3. Step 3: Cross multiply
    89,829.18x = 134,720.75 × 26,634.56
  4. Step 4: Simplify right side
    89,829.18x = 3,588,227,292.10
  5. Step 5: Solve for x
    x = 3,588,227,292.10/89,829.18
  6. Step 6: Final answer
    x = 39,945.01

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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.