Home / 89,116.57-133,630.37-29,137.23

Finding the Fourth Proportional to 89,116.57, 133,630.37 and 29,137.23

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Solution

The fourth proportional to 89,116.57, 133,630.37 and 29,137.23 is: 43,691.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,116.57 : 133,630.37 = 29,137.23 : x
  2. Step 2: Convert to fraction form
    89,116.57/133,630.37 = 29,137.23/x
  3. Step 3: Cross multiply
    89,116.57x = 133,630.37 × 29,137.23
  4. Step 4: Simplify right side
    89,116.57x = 3,893,618,898.52
  5. Step 5: Solve for x
    x = 3,893,618,898.52/89,116.57
  6. Step 6: Final answer
    x = 43,691.30

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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.