Home / 91,660.47-126,301.80-73,683.33

Finding the Fourth Proportional to 91,660.47, 126,301.80 and 73,683.33

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Solution

The fourth proportional to 91,660.47, 126,301.80 and 73,683.33 is: 101,530.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,660.47 : 126,301.80 = 73,683.33 : x
  2. Step 2: Convert to fraction form
    91,660.47/126,301.80 = 73,683.33/x
  3. Step 3: Cross multiply
    91,660.47x = 126,301.80 × 73,683.33
  4. Step 4: Simplify right side
    91,660.47x = 9,306,337,208.99
  5. Step 5: Solve for x
    x = 9,306,337,208.99/91,660.47
  6. Step 6: Final answer
    x = 101,530.54

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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.