Home / 61,140.07-91,707.94-16,766.11

Finding the Fourth Proportional to 61,140.07, 91,707.94 and 16,766.11

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Solution

The fourth proportional to 61,140.07, 91,707.94 and 16,766.11 is: 25,148.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,140.07 : 91,707.94 = 16,766.11 : x
  2. Step 2: Convert to fraction form
    61,140.07/91,707.94 = 16,766.11/x
  3. Step 3: Cross multiply
    61,140.07x = 91,707.94 × 16,766.11
  4. Step 4: Simplify right side
    61,140.07x = 1,537,585,409.91
  5. Step 5: Solve for x
    x = 1,537,585,409.91/61,140.07
  6. Step 6: Final answer
    x = 25,148.57

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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.