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Finding the Fourth Proportional to 64,251, 88,664.46 and 35,571.84

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Solution

The fourth proportional to 64,251, 88,664.46 and 35,571.84 is: 49,088.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,251 : 88,664.46 = 35,571.84 : x
  2. Step 2: Convert to fraction form
    64,251/88,664.46 = 35,571.84/x
  3. Step 3: Cross multiply
    64,251x = 88,664.46 × 35,571.84
  4. Step 4: Simplify right side
    64,251x = 3,153,957,984.81
  5. Step 5: Solve for x
    x = 3,153,957,984.81/64,251
  6. Step 6: Final answer
    x = 49,088.08

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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.