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Finding the Fourth Proportional to 64,434.49, 96,649.61 and 26,482.44

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Solution

The fourth proportional to 64,434.49, 96,649.61 and 26,482.44 is: 39,722.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,434.49 : 96,649.61 = 26,482.44 : x
  2. Step 2: Convert to fraction form
    64,434.49/96,649.61 = 26,482.44/x
  3. Step 3: Cross multiply
    64,434.49x = 96,649.61 × 26,482.44
  4. Step 4: Simplify right side
    64,434.49x = 2,559,517,727.87
  5. Step 5: Solve for x
    x = 2,559,517,727.87/64,434.49
  6. Step 6: Final answer
    x = 39,722.79

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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.