Home / 109,072.92-163,557-64,705.44

Finding the Fourth Proportional to 109,072.92, 163,557 and 64,705.44

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Solution

The fourth proportional to 109,072.92, 163,557 and 64,705.44 is: 97,027.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,072.92 : 163,557 = 64,705.44 : x
  2. Step 2: Convert to fraction form
    109,072.92/163,557 = 64,705.44/x
  3. Step 3: Cross multiply
    109,072.92x = 163,557 × 64,705.44
  4. Step 4: Simplify right side
    109,072.92x = 10,583,027,650.08
  5. Step 5: Solve for x
    x = 10,583,027,650.08/109,072.92
  6. Step 6: Final answer
    x = 97,027.09

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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.