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Finding the Fourth Proportional to 65,973.78, 98,951.04 and 21,602.26

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Solution

The fourth proportional to 65,973.78, 98,951.04 and 21,602.26 is: 32,400.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,973.78 : 98,951.04 = 21,602.26 : x
  2. Step 2: Convert to fraction form
    65,973.78/98,951.04 = 21,602.26/x
  3. Step 3: Cross multiply
    65,973.78x = 98,951.04 × 21,602.26
  4. Step 4: Simplify right side
    65,973.78x = 2,137,566,093.35
  5. Step 5: Solve for x
    x = 2,137,566,093.35/65,973.78
  6. Step 6: Final answer
    x = 32,400.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.