Home / 77,785.48-116,660.46-37,803.16

Finding the Fourth Proportional to 77,785.48, 116,660.46 and 37,803.16

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Solution

The fourth proportional to 77,785.48, 116,660.46 and 37,803.16 is: 56,696.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,785.48 : 116,660.46 = 37,803.16 : x
  2. Step 2: Convert to fraction form
    77,785.48/116,660.46 = 37,803.16/x
  3. Step 3: Cross multiply
    77,785.48x = 116,660.46 × 37,803.16
  4. Step 4: Simplify right side
    77,785.48x = 4,410,134,035.05
  5. Step 5: Solve for x
    x = 4,410,134,035.05/77,785.48
  6. Step 6: Final answer
    x = 56,696.11

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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.