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Finding the Fourth Proportional to 64,329.94, 88,775.25 and 36,035.65

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Solution

The fourth proportional to 64,329.94, 88,775.25 and 36,035.65 is: 49,729.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,329.94 : 88,775.25 = 36,035.65 : x
  2. Step 2: Convert to fraction form
    64,329.94/88,775.25 = 36,035.65/x
  3. Step 3: Cross multiply
    64,329.94x = 88,775.25 × 36,035.65
  4. Step 4: Simplify right side
    64,329.94x = 3,199,073,837.66
  5. Step 5: Solve for x
    x = 3,199,073,837.66/64,329.94
  6. Step 6: Final answer
    x = 49,729.16

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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.