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Finding the Fourth Proportional to 61,809, 92,709.18 and 32,243.52

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Solution

The fourth proportional to 61,809, 92,709.18 and 32,243.52 is: 48,363.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,809 : 92,709.18 = 32,243.52 : x
  2. Step 2: Convert to fraction form
    61,809/92,709.18 = 32,243.52/x
  3. Step 3: Cross multiply
    61,809x = 92,709.18 × 32,243.52
  4. Step 4: Simplify right side
    61,809x = 2,989,270,299.51
  5. Step 5: Solve for x
    x = 2,989,270,299.51/61,809
  6. Step 6: Final answer
    x = 48,363.03

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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.