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Finding the Fourth Proportional to 70,984, 106,494 and 26,610.88

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Solution

The fourth proportional to 70,984, 106,494 and 26,610.88 is: 39,923.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,984 : 106,494 = 26,610.88 : x
  2. Step 2: Convert to fraction form
    70,984/106,494 = 26,610.88/x
  3. Step 3: Cross multiply
    70,984x = 106,494 × 26,610.88
  4. Step 4: Simplify right side
    70,984x = 2,833,899,054.72
  5. Step 5: Solve for x
    x = 2,833,899,054.72/70,984
  6. Step 6: Final answer
    x = 39,923.07

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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.