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Finding the Fourth Proportional to 63,573.30, 87,706.94 and 36,706.01

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Solution

The fourth proportional to 63,573.30, 87,706.94 and 36,706.01 is: 50,640.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,573.30 : 87,706.94 = 36,706.01 : x
  2. Step 2: Convert to fraction form
    63,573.30/87,706.94 = 36,706.01/x
  3. Step 3: Cross multiply
    63,573.30x = 87,706.94 × 36,706.01
  4. Step 4: Simplify right side
    63,573.30x = 3,219,371,194.64
  5. Step 5: Solve for x
    x = 3,219,371,194.64/63,573.30
  6. Step 6: Final answer
    x = 50,640.30

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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.