Home / 107,688.72-161,527.14-37,572.96

Finding the Fourth Proportional to 107,688.72, 161,527.14 and 37,572.96

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Solution

The fourth proportional to 107,688.72, 161,527.14 and 37,572.96 is: 56,357.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,688.72 : 161,527.14 = 37,572.96 : x
  2. Step 2: Convert to fraction form
    107,688.72/161,527.14 = 37,572.96/x
  3. Step 3: Cross multiply
    107,688.72x = 161,527.14 × 37,572.96
  4. Step 4: Simplify right side
    107,688.72x = 6,069,052,770.13
  5. Step 5: Solve for x
    x = 6,069,052,770.13/107,688.72
  6. Step 6: Final answer
    x = 56,357.37

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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.