Home / 91,204.49-125,856.91-50,920.79

Finding the Fourth Proportional to 91,204.49, 125,856.91 and 50,920.79

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Solution

The fourth proportional to 91,204.49, 125,856.91 and 50,920.79 is: 70,267.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,204.49 : 125,856.91 = 50,920.79 : x
  2. Step 2: Convert to fraction form
    91,204.49/125,856.91 = 50,920.79/x
  3. Step 3: Cross multiply
    91,204.49x = 125,856.91 × 50,920.79
  4. Step 4: Simplify right side
    91,204.49x = 6,408,732,718.53
  5. Step 5: Solve for x
    x = 6,408,732,718.53/91,204.49
  6. Step 6: Final answer
    x = 70,267.73

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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.