Home / 80,751.37-121,127.09-36,326.23

Finding the Fourth Proportional to 80,751.37, 121,127.09 and 36,326.23

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Solution

The fourth proportional to 80,751.37, 121,127.09 and 36,326.23 is: 54,489.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,751.37 : 121,127.09 = 36,326.23 : x
  2. Step 2: Convert to fraction form
    80,751.37/121,127.09 = 36,326.23/x
  3. Step 3: Cross multiply
    80,751.37x = 121,127.09 × 36,326.23
  4. Step 4: Simplify right side
    80,751.37x = 4,400,089,743.30
  5. Step 5: Solve for x
    x = 4,400,089,743.30/80,751.37
  6. Step 6: Final answer
    x = 54,489.35

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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.