Home / 79,417.55-119,140.94-26,112.56

Finding the Fourth Proportional to 79,417.55, 119,140.94 and 26,112.56

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Solution

The fourth proportional to 79,417.55, 119,140.94 and 26,112.56 is: 39,173.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,417.55 : 119,140.94 = 26,112.56 : x
  2. Step 2: Convert to fraction form
    79,417.55/119,140.94 = 26,112.56/x
  3. Step 3: Cross multiply
    79,417.55x = 119,140.94 × 26,112.56
  4. Step 4: Simplify right side
    79,417.55x = 3,111,074,413.78
  5. Step 5: Solve for x
    x = 3,111,074,413.78/79,417.55
  6. Step 6: Final answer
    x = 39,173.64

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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.