Home / 54,889.28-75,751.07-31,018.17

Finding the Fourth Proportional to 54,889.28, 75,751.07 and 31,018.17

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Solution

The fourth proportional to 54,889.28, 75,751.07 and 31,018.17 is: 42,807.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,889.28 : 75,751.07 = 31,018.17 : x
  2. Step 2: Convert to fraction form
    54,889.28/75,751.07 = 31,018.17/x
  3. Step 3: Cross multiply
    54,889.28x = 75,751.07 × 31,018.17
  4. Step 4: Simplify right side
    54,889.28x = 2,349,659,411.85
  5. Step 5: Solve for x
    x = 2,349,659,411.85/54,889.28
  6. Step 6: Final answer
    x = 42,807.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.