Home / 91,934.20-126,867.54-51,100.84

Finding the Fourth Proportional to 91,934.20, 126,867.54 and 51,100.84

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Solution

The fourth proportional to 91,934.20, 126,867.54 and 51,100.84 is: 70,518.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,934.20 : 126,867.54 = 51,100.84 : x
  2. Step 2: Convert to fraction form
    91,934.20/126,867.54 = 51,100.84/x
  3. Step 3: Cross multiply
    91,934.20x = 126,867.54 × 51,100.84
  4. Step 4: Simplify right side
    91,934.20x = 6,483,037,862.73
  5. Step 5: Solve for x
    x = 6,483,037,862.73/91,934.20
  6. Step 6: Final answer
    x = 70,518.24

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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.