Home / 90,926.69-125,474.06-50,639.72

Finding the Fourth Proportional to 90,926.69, 125,474.06 and 50,639.72

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Solution

The fourth proportional to 90,926.69, 125,474.06 and 50,639.72 is: 69,880.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,926.69 : 125,474.06 = 50,639.72 : x
  2. Step 2: Convert to fraction form
    90,926.69/125,474.06 = 50,639.72/x
  3. Step 3: Cross multiply
    90,926.69x = 125,474.06 × 50,639.72
  4. Step 4: Simplify right side
    90,926.69x = 6,353,970,764.89
  5. Step 5: Solve for x
    x = 6,353,970,764.89/90,926.69
  6. Step 6: Final answer
    x = 69,880.15

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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.