Home / 90,981.46-125,552.74-50,694.36

Finding the Fourth Proportional to 90,981.46, 125,552.74 and 50,694.36

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Solution

The fourth proportional to 90,981.46, 125,552.74 and 50,694.36 is: 69,957.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,981.46 : 125,552.74 = 50,694.36 : x
  2. Step 2: Convert to fraction form
    90,981.46/125,552.74 = 50,694.36/x
  3. Step 3: Cross multiply
    90,981.46x = 125,552.74 × 50,694.36
  4. Step 4: Simplify right side
    90,981.46x = 6,364,815,800.55
  5. Step 5: Solve for x
    x = 6,364,815,800.55/90,981.46
  6. Step 6: Final answer
    x = 69,957.28

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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.