Home / 89,749.58-123,848.87-49,461.10

Finding the Fourth Proportional to 89,749.58, 123,848.87 and 49,461.10

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Solution

The fourth proportional to 89,749.58, 123,848.87 and 49,461.10 is: 68,253.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,749.58 : 123,848.87 = 49,461.10 : x
  2. Step 2: Convert to fraction form
    89,749.58/123,848.87 = 49,461.10/x
  3. Step 3: Cross multiply
    89,749.58x = 123,848.87 × 49,461.10
  4. Step 4: Simplify right side
    89,749.58x = 6,125,700,787.03
  5. Step 5: Solve for x
    x = 6,125,700,787.03/89,749.58
  6. Step 6: Final answer
    x = 68,253.26

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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.