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Finding the Fourth Proportional to 73,489.68, 110,298.51 and 41,962.86

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Solution

The fourth proportional to 73,489.68, 110,298.51 and 41,962.86 is: 62,980.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,489.68 : 110,298.51 = 41,962.86 : x
  2. Step 2: Convert to fraction form
    73,489.68/110,298.51 = 41,962.86/x
  3. Step 3: Cross multiply
    73,489.68x = 110,298.51 × 41,962.86
  4. Step 4: Simplify right side
    73,489.68x = 4,628,440,933.34
  5. Step 5: Solve for x
    x = 4,628,440,933.34/73,489.68
  6. Step 6: Final answer
    x = 62,980.83

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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.