Home / 77,724.66-116,574.64-27,795.45

Finding the Fourth Proportional to 77,724.66, 116,574.64 and 27,795.45

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Solution

The fourth proportional to 77,724.66, 116,574.64 and 27,795.45 is: 41,688.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,724.66 : 116,574.64 = 27,795.45 : x
  2. Step 2: Convert to fraction form
    77,724.66/116,574.64 = 27,795.45/x
  3. Step 3: Cross multiply
    77,724.66x = 116,574.64 × 27,795.45
  4. Step 4: Simplify right side
    77,724.66x = 3,240,244,577.39
  5. Step 5: Solve for x
    x = 3,240,244,577.39/77,724.66
  6. Step 6: Final answer
    x = 41,688.76

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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.