Home / 107,528.72-161,319.54-37,408.64

Finding the Fourth Proportional to 107,528.72, 161,319.54 and 37,408.64

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Solution

The fourth proportional to 107,528.72, 161,319.54 and 37,408.64 is: 56,122.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,528.72 : 161,319.54 = 37,408.64 : x
  2. Step 2: Convert to fraction form
    107,528.72/161,319.54 = 37,408.64/x
  3. Step 3: Cross multiply
    107,528.72x = 161,319.54 × 37,408.64
  4. Step 4: Simplify right side
    107,528.72x = 6,034,744,596.83
  5. Step 5: Solve for x
    x = 6,034,744,596.83/107,528.72
  6. Step 6: Final answer
    x = 56,122.17

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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.