Home / 91,370.84-126,092.66-51,086.81

Finding the Fourth Proportional to 91,370.84, 126,092.66 and 51,086.81

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Solution

The fourth proportional to 91,370.84, 126,092.66 and 51,086.81 is: 70,500.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,370.84 : 126,092.66 = 51,086.81 : x
  2. Step 2: Convert to fraction form
    91,370.84/126,092.66 = 51,086.81/x
  3. Step 3: Cross multiply
    91,370.84x = 126,092.66 × 51,086.81
  4. Step 4: Simplify right side
    91,370.84x = 6,441,671,823.61
  5. Step 5: Solve for x
    x = 6,441,671,823.61/91,370.84
  6. Step 6: Final answer
    x = 70,500.31

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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.