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Finding the Fourth Proportional to 70,064.39, 105,096.98 and 17,473.87

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Solution

The fourth proportional to 70,064.39, 105,096.98 and 17,473.87 is: 26,210.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,064.39 : 105,096.98 = 17,473.87 : x
  2. Step 2: Convert to fraction form
    70,064.39/105,096.98 = 17,473.87/x
  3. Step 3: Cross multiply
    70,064.39x = 105,096.98 × 17,473.87
  4. Step 4: Simplify right side
    70,064.39x = 1,836,451,140.97
  5. Step 5: Solve for x
    x = 1,836,451,140.97/70,064.39
  6. Step 6: Final answer
    x = 26,210.91

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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.