Home / 79,637.16-119,315.61-74,896.23

Finding the Fourth Proportional to 79,637.16, 119,315.61 and 74,896.23

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Solution

The fourth proportional to 79,637.16, 119,315.61 and 74,896.23 is: 112,212.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,637.16 : 119,315.61 = 74,896.23 : x
  2. Step 2: Convert to fraction form
    79,637.16/119,315.61 = 74,896.23/x
  3. Step 3: Cross multiply
    79,637.16x = 119,315.61 × 74,896.23
  4. Step 4: Simplify right side
    79,637.16x = 8,936,289,369.15
  5. Step 5: Solve for x
    x = 8,936,289,369.15/79,637.16
  6. Step 6: Final answer
    x = 112,212.56

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1.5x scale

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.