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Finding the Fourth Proportional to 70,646.37, 105,845.01 and 37,292.96

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Solution

The fourth proportional to 70,646.37, 105,845.01 and 37,292.96 is: 55,873.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,646.37 : 105,845.01 = 37,292.96 : x
  2. Step 2: Convert to fraction form
    70,646.37/105,845.01 = 37,292.96/x
  3. Step 3: Cross multiply
    70,646.37x = 105,845.01 × 37,292.96
  4. Step 4: Simplify right side
    70,646.37x = 3,947,273,194.90
  5. Step 5: Solve for x
    x = 3,947,273,194.90/70,646.37
  6. Step 6: Final answer
    x = 55,873.69

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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.