Home / 64,166.14-88,552.64-38,680.61

Finding the Fourth Proportional to 64,166.14, 88,552.64 and 38,680.61

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Solution

The fourth proportional to 64,166.14, 88,552.64 and 38,680.61 is: 53,381.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,166.14 : 88,552.64 = 38,680.61 : x
  2. Step 2: Convert to fraction form
    64,166.14/88,552.64 = 38,680.61/x
  3. Step 3: Cross multiply
    64,166.14x = 88,552.64 × 38,680.61
  4. Step 4: Simplify right side
    64,166.14x = 3,425,269,786.25
  5. Step 5: Solve for x
    x = 3,425,269,786.25/64,166.14
  6. Step 6: Final answer
    x = 53,381.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.