Home / 77,563.36-116,338.52-30,803.68

Finding the Fourth Proportional to 77,563.36, 116,338.52 and 30,803.68

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Solution

The fourth proportional to 77,563.36, 116,338.52 and 30,803.68 is: 46,202.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,563.36 : 116,338.52 = 30,803.68 : x
  2. Step 2: Convert to fraction form
    77,563.36/116,338.52 = 30,803.68/x
  3. Step 3: Cross multiply
    77,563.36x = 116,338.52 × 30,803.68
  4. Step 4: Simplify right side
    77,563.36x = 3,583,654,541.75
  5. Step 5: Solve for x
    x = 3,583,654,541.75/77,563.36
  6. Step 6: Final answer
    x = 46,202.93

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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.