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Finding the Fourth Proportional to 61,085.01, 91,632.98 and 16,711.99

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Solution

The fourth proportional to 61,085.01, 91,632.98 and 16,711.99 is: 25,069.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,085.01 : 91,632.98 = 16,711.99 : x
  2. Step 2: Convert to fraction form
    61,085.01/91,632.98 = 16,711.99/x
  3. Step 3: Cross multiply
    61,085.01x = 91,632.98 × 16,711.99
  4. Step 4: Simplify right side
    61,085.01x = 1,531,369,445.43
  5. Step 5: Solve for x
    x = 1,531,369,445.43/61,085.01
  6. Step 6: Final answer
    x = 25,069.48

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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.