Home / 91,936.36-126,871.95-53,722.18

Finding the Fourth Proportional to 91,936.36, 126,871.95 and 53,722.18

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Solution

The fourth proportional to 91,936.36, 126,871.95 and 53,722.18 is: 74,136.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,936.36 : 126,871.95 = 53,722.18 : x
  2. Step 2: Convert to fraction form
    91,936.36/126,871.95 = 53,722.18/x
  3. Step 3: Cross multiply
    91,936.36x = 126,871.95 × 53,722.18
  4. Step 4: Simplify right side
    91,936.36x = 6,815,837,734.85
  5. Step 5: Solve for x
    x = 6,815,837,734.85/91,936.36
  6. Step 6: Final answer
    x = 74,136.48

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1.5x scale

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.