Home / 88,082.64-121,519.44-50,336.64

Finding the Fourth Proportional to 88,082.64, 121,519.44 and 50,336.64

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Solution

The fourth proportional to 88,082.64, 121,519.44 and 50,336.64 is: 69,444.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,082.64 : 121,519.44 = 50,336.64 : x
  2. Step 2: Convert to fraction form
    88,082.64/121,519.44 = 50,336.64/x
  3. Step 3: Cross multiply
    88,082.64x = 121,519.44 × 50,336.64
  4. Step 4: Simplify right side
    88,082.64x = 6,116,880,304.28
  5. Step 5: Solve for x
    x = 6,116,880,304.28/88,082.64
  6. Step 6: Final answer
    x = 69,444.79

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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.