Home / 88,421-132,635.16-26,091.50

Finding the Fourth Proportional to 88,421, 132,635.16 and 26,091.50

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Solution

The fourth proportional to 88,421, 132,635.16 and 26,091.50 is: 39,138.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,421 : 132,635.16 = 26,091.50 : x
  2. Step 2: Convert to fraction form
    88,421/132,635.16 = 26,091.50/x
  3. Step 3: Cross multiply
    88,421x = 132,635.16 × 26,091.50
  4. Step 4: Simplify right side
    88,421x = 3,460,650,277.14
  5. Step 5: Solve for x
    x = 3,460,650,277.14/88,421
  6. Step 6: Final answer
    x = 39,138.33

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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.