Home / 64,257.09-88,664.23-40,366.84

Finding the Fourth Proportional to 64,257.09, 88,664.23 and 40,366.84

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Solution

The fourth proportional to 64,257.09, 88,664.23 and 40,366.84 is: 55,699.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,257.09 : 88,664.23 = 40,366.84 : x
  2. Step 2: Convert to fraction form
    64,257.09/88,664.23 = 40,366.84/x
  3. Step 3: Cross multiply
    64,257.09x = 88,664.23 × 40,366.84
  4. Step 4: Simplify right side
    64,257.09x = 3,579,094,786.13
  5. Step 5: Solve for x
    x = 3,579,094,786.13/64,257.09
  6. Step 6: Final answer
    x = 55,699.61

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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.