Home / 54,885.78-75,741.39-31,011.94

Finding the Fourth Proportional to 54,885.78, 75,741.39 and 31,011.94

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Solution

The fourth proportional to 54,885.78, 75,741.39 and 31,011.94 is: 42,795.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,885.78 : 75,741.39 = 31,011.94 : x
  2. Step 2: Convert to fraction form
    54,885.78/75,741.39 = 31,011.94/x
  3. Step 3: Cross multiply
    54,885.78x = 75,741.39 × 31,011.94
  4. Step 4: Simplify right side
    54,885.78x = 2,348,887,442.20
  5. Step 5: Solve for x
    x = 2,348,887,442.20/54,885.78
  6. Step 6: Final answer
    x = 42,795.92

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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.