Home / 88,640.41-132,960.51-26,310.91

Finding the Fourth Proportional to 88,640.41, 132,960.51 and 26,310.91

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Solution

The fourth proportional to 88,640.41, 132,960.51 and 26,310.91 is: 39,466.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,640.41 : 132,960.51 = 26,310.91 : x
  2. Step 2: Convert to fraction form
    88,640.41/132,960.51 = 26,310.91/x
  3. Step 3: Cross multiply
    88,640.41x = 132,960.51 × 26,310.91
  4. Step 4: Simplify right side
    88,640.41x = 3,498,312,012.16
  5. Step 5: Solve for x
    x = 3,498,312,012.16/88,640.41
  6. Step 6: Final answer
    x = 39,466.33

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1.5x scale

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.