Home / 91,616.50-126,427.26-51,328.25

Finding the Fourth Proportional to 91,616.50, 126,427.26 and 51,328.25

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Solution

The fourth proportional to 91,616.50, 126,427.26 and 51,328.25 is: 70,831.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,616.50 : 126,427.26 = 51,328.25 : x
  2. Step 2: Convert to fraction form
    91,616.50/126,427.26 = 51,328.25/x
  3. Step 3: Cross multiply
    91,616.50x = 126,427.26 × 51,328.25
  4. Step 4: Simplify right side
    91,616.50x = 6,489,290,042.54
  5. Step 5: Solve for x
    x = 6,489,290,042.54/91,616.50
  6. Step 6: Final answer
    x = 70,831.02

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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.