Home / 91,215.55-125,876.15-50,929.94

Finding the Fourth Proportional to 91,215.55, 125,876.15 and 50,929.94

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Solution

The fourth proportional to 91,215.55, 125,876.15 and 50,929.94 is: 70,282.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,215.55 : 125,876.15 = 50,929.94 : x
  2. Step 2: Convert to fraction form
    91,215.55/125,876.15 = 50,929.94/x
  3. Step 3: Cross multiply
    91,215.55x = 125,876.15 × 50,929.94
  4. Step 4: Simplify right side
    91,215.55x = 6,410,864,512.28
  5. Step 5: Solve for x
    x = 6,410,864,512.28/91,215.55
  6. Step 6: Final answer
    x = 70,282.59

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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.