Home / 91,831.84-126,718.19-51,550.03

Finding the Fourth Proportional to 91,831.84, 126,718.19 and 51,550.03

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Solution

The fourth proportional to 91,831.84, 126,718.19 and 51,550.03 is: 71,133.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,831.84 : 126,718.19 = 51,550.03 : x
  2. Step 2: Convert to fraction form
    91,831.84/126,718.19 = 51,550.03/x
  3. Step 3: Cross multiply
    91,831.84x = 126,718.19 × 51,550.03
  4. Step 4: Simplify right side
    91,831.84x = 6,532,326,496.05
  5. Step 5: Solve for x
    x = 6,532,326,496.05/91,831.84
  6. Step 6: Final answer
    x = 71,133.57

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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.