Home / 84,612.56-116,761.32-50,639.76

Finding the Fourth Proportional to 84,612.56, 116,761.32 and 50,639.76

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Solution

The fourth proportional to 84,612.56, 116,761.32 and 50,639.76 is: 69,880.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,612.56 : 116,761.32 = 50,639.76 : x
  2. Step 2: Convert to fraction form
    84,612.56/116,761.32 = 50,639.76/x
  3. Step 3: Cross multiply
    84,612.56x = 116,761.32 × 50,639.76
  4. Step 4: Simplify right side
    84,612.56x = 5,912,765,222.08
  5. Step 5: Solve for x
    x = 5,912,765,222.08/84,612.56
  6. Step 6: Final answer
    x = 69,880.47

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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.