Home / 87,688.73-131,552.58-40,916.09

Finding the Fourth Proportional to 87,688.73, 131,552.58 and 40,916.09

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Solution

The fourth proportional to 87,688.73, 131,552.58 and 40,916.09 is: 61,383.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,688.73 : 131,552.58 = 40,916.09 : x
  2. Step 2: Convert to fraction form
    87,688.73/131,552.58 = 40,916.09/x
  3. Step 3: Cross multiply
    87,688.73x = 131,552.58 × 40,916.09
  4. Step 4: Simplify right side
    87,688.73x = 5,382,617,203.01
  5. Step 5: Solve for x
    x = 5,382,617,203.01/87,688.73
  6. Step 6: Final answer
    x = 61,383.23

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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.