Home / 52,018.97-77,995.64-28,661.81

Finding the Fourth Proportional to 52,018.97, 77,995.64 and 28,661.81

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Solution

The fourth proportional to 52,018.97, 77,995.64 and 28,661.81 is: 42,974.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,018.97 : 77,995.64 = 28,661.81 : x
  2. Step 2: Convert to fraction form
    52,018.97/77,995.64 = 28,661.81/x
  3. Step 3: Cross multiply
    52,018.97x = 77,995.64 × 28,661.81
  4. Step 4: Simplify right side
    52,018.97x = 2,235,495,896.18
  5. Step 5: Solve for x
    x = 2,235,495,896.18/52,018.97
  6. Step 6: Final answer
    x = 42,974.63

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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.