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Finding the Fourth Proportional to 63,664, 87,848.40 and 35,366.08

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Solution

The fourth proportional to 63,664, 87,848.40 and 35,366.08 is: 48,800.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,664 : 87,848.40 = 35,366.08 : x
  2. Step 2: Convert to fraction form
    63,664/87,848.40 = 35,366.08/x
  3. Step 3: Cross multiply
    63,664x = 87,848.40 × 35,366.08
  4. Step 4: Simplify right side
    63,664x = 3,106,853,542.27
  5. Step 5: Solve for x
    x = 3,106,853,542.27/63,664
  6. Step 6: Final answer
    x = 48,800.79

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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.