Home / 107,530.56-161,328.64-54,976.94

Finding the Fourth Proportional to 107,530.56, 161,328.64 and 54,976.94

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Solution

The fourth proportional to 107,530.56, 161,328.64 and 54,976.94 is: 82,482.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,530.56 : 161,328.64 = 54,976.94 : x
  2. Step 2: Convert to fraction form
    107,530.56/161,328.64 = 54,976.94/x
  3. Step 3: Cross multiply
    107,530.56x = 161,328.64 × 54,976.94
  4. Step 4: Simplify right side
    107,530.56x = 8,869,354,961.56
  5. Step 5: Solve for x
    x = 8,869,354,961.56/107,530.56
  6. Step 6: Final answer
    x = 82,482.18

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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.