Home / 91,571.22-126,371.07-51,284.88

Finding the Fourth Proportional to 91,571.22, 126,371.07 and 51,284.88

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Solution

The fourth proportional to 91,571.22, 126,371.07 and 51,284.88 is: 70,774.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,571.22 : 126,371.07 = 51,284.88 : x
  2. Step 2: Convert to fraction form
    91,571.22/126,371.07 = 51,284.88/x
  3. Step 3: Cross multiply
    91,571.22x = 126,371.07 × 51,284.88
  4. Step 4: Simplify right side
    91,571.22x = 6,480,925,160.42
  5. Step 5: Solve for x
    x = 6,480,925,160.42/91,571.22
  6. Step 6: Final answer
    x = 70,774.69

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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.