Home / 54,961.02-75,846.20-31,087.17

Finding the Fourth Proportional to 54,961.02, 75,846.20 and 31,087.17

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Solution

The fourth proportional to 54,961.02, 75,846.20 and 31,087.17 is: 42,900.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,961.02 : 75,846.20 = 31,087.17 : x
  2. Step 2: Convert to fraction form
    54,961.02/75,846.20 = 31,087.17/x
  3. Step 3: Cross multiply
    54,961.02x = 75,846.20 × 31,087.17
  4. Step 4: Simplify right side
    54,961.02x = 2,357,843,557.82
  5. Step 5: Solve for x
    x = 2,357,843,557.82/54,961.02
  6. Step 6: Final answer
    x = 42,900.29

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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.