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Finding the Fourth Proportional to 61,162.98, 84,402.99 and 37,280.94

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Solution

The fourth proportional to 61,162.98, 84,402.99 and 37,280.94 is: 51,446.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,162.98 : 84,402.99 = 37,280.94 : x
  2. Step 2: Convert to fraction form
    61,162.98/84,402.99 = 37,280.94/x
  3. Step 3: Cross multiply
    61,162.98x = 84,402.99 × 37,280.94
  4. Step 4: Simplify right side
    61,162.98x = 3,146,622,806.01
  5. Step 5: Solve for x
    x = 3,146,622,806.01/61,162.98
  6. Step 6: Final answer
    x = 51,446.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.