Home / 51,288.36-76,730.19-38,844.36

Finding the Fourth Proportional to 51,288.36, 76,730.19 and 38,844.36

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Solution

The fourth proportional to 51,288.36, 76,730.19 and 38,844.36 is: 58,113.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,288.36 : 76,730.19 = 38,844.36 : x
  2. Step 2: Convert to fraction form
    51,288.36/76,730.19 = 38,844.36/x
  3. Step 3: Cross multiply
    51,288.36x = 76,730.19 × 38,844.36
  4. Step 4: Simplify right side
    51,288.36x = 2,980,535,123.23
  5. Step 5: Solve for x
    x = 2,980,535,123.23/51,288.36
  6. Step 6: Final answer
    x = 58,113.29

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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.