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Finding the Fourth Proportional to 64,359.36, 88,818.32 and 36,064

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Solution

The fourth proportional to 64,359.36, 88,818.32 and 36,064 is: 49,769.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,359.36 : 88,818.32 = 36,064 : x
  2. Step 2: Convert to fraction form
    64,359.36/88,818.32 = 36,064/x
  3. Step 3: Cross multiply
    64,359.36x = 88,818.32 × 36,064
  4. Step 4: Simplify right side
    64,359.36x = 3,203,143,892.48
  5. Step 5: Solve for x
    x = 3,203,143,892.48/64,359.36
  6. Step 6: Final answer
    x = 49,769.67

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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.