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Finding the Fourth Proportional to 73,886.16, 110,852.86 and 26,469.30

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Solution

The fourth proportional to 73,886.16, 110,852.86 and 26,469.30 is: 39,712.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,886.16 : 110,852.86 = 26,469.30 : x
  2. Step 2: Convert to fraction form
    73,886.16/110,852.86 = 26,469.30/x
  3. Step 3: Cross multiply
    73,886.16x = 110,852.86 × 26,469.30
  4. Step 4: Simplify right side
    73,886.16x = 2,934,197,607.20
  5. Step 5: Solve for x
    x = 2,934,197,607.20/73,886.16
  6. Step 6: Final answer
    x = 39,712.41

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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.