Home / 91,521.36-126,372.96-73,558.80

Finding the Fourth Proportional to 91,521.36, 126,372.96 and 73,558.80

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Solution

The fourth proportional to 91,521.36, 126,372.96 and 73,558.80 is: 101,570.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,521.36 : 126,372.96 = 73,558.80 : x
  2. Step 2: Convert to fraction form
    91,521.36/126,372.96 = 73,558.80/x
  3. Step 3: Cross multiply
    91,521.36x = 126,372.96 × 73,558.80
  4. Step 4: Simplify right side
    91,521.36x = 9,295,843,290.05
  5. Step 5: Solve for x
    x = 9,295,843,290.05/91,521.36
  6. Step 6: Final answer
    x = 101,570.20

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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.