Home / 77,082.32-115,621.86-35,529.32

Finding the Fourth Proportional to 77,082.32, 115,621.86 and 35,529.32

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Solution

The fourth proportional to 77,082.32, 115,621.86 and 35,529.32 is: 53,293.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,082.32 : 115,621.86 = 35,529.32 : x
  2. Step 2: Convert to fraction form
    77,082.32/115,621.86 = 35,529.32/x
  3. Step 3: Cross multiply
    77,082.32x = 115,621.86 × 35,529.32
  4. Step 4: Simplify right side
    77,082.32x = 4,107,966,062.94
  5. Step 5: Solve for x
    x = 4,107,966,062.94/77,082.32
  6. Step 6: Final answer
    x = 53,293.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.