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Finding the Fourth Proportional to 64,100.59, 96,185.31 and 26,686.49

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Solution

The fourth proportional to 64,100.59, 96,185.31 and 26,686.49 is: 40,044.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,100.59 : 96,185.31 = 26,686.49 : x
  2. Step 2: Convert to fraction form
    64,100.59/96,185.31 = 26,686.49/x
  3. Step 3: Cross multiply
    64,100.59x = 96,185.31 × 26,686.49
  4. Step 4: Simplify right side
    64,100.59x = 2,566,848,313.46
  5. Step 5: Solve for x
    x = 2,566,848,313.46/64,100.59
  6. Step 6: Final answer
    x = 40,044.07

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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.