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Finding the Fourth Proportional to 64,188.52, 88,580.10 and 35,894.68

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Solution

The fourth proportional to 64,188.52, 88,580.10 and 35,894.68 is: 49,534.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,188.52 : 88,580.10 = 35,894.68 : x
  2. Step 2: Convert to fraction form
    64,188.52/88,580.10 = 35,894.68/x
  3. Step 3: Cross multiply
    64,188.52x = 88,580.10 × 35,894.68
  4. Step 4: Simplify right side
    64,188.52x = 3,179,554,343.87
  5. Step 5: Solve for x
    x = 3,179,554,343.87/64,188.52
  6. Step 6: Final answer
    x = 49,534.63

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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.