Home / 91,215.46-125,876.16-50,929.91

Finding the Fourth Proportional to 91,215.46, 125,876.16 and 50,929.91

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Solution

The fourth proportional to 91,215.46, 125,876.16 and 50,929.91 is: 70,282.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,215.46 : 125,876.16 = 50,929.91 : x
  2. Step 2: Convert to fraction form
    91,215.46/125,876.16 = 50,929.91/x
  3. Step 3: Cross multiply
    91,215.46x = 125,876.16 × 50,929.91
  4. Step 4: Simplify right side
    91,215.46x = 6,410,861,342.60
  5. Step 5: Solve for x
    x = 6,410,861,342.60/91,215.46
  6. Step 6: Final answer
    x = 70,282.62

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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.