Home / 107,567.87-161,361.93-31,666.46

Finding the Fourth Proportional to 107,567.87, 161,361.93 and 31,666.46

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Solution

The fourth proportional to 107,567.87, 161,361.93 and 31,666.46 is: 47,502.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,567.87 : 161,361.93 = 31,666.46 : x
  2. Step 2: Convert to fraction form
    107,567.87/161,361.93 = 31,666.46/x
  3. Step 3: Cross multiply
    107,567.87x = 161,361.93 × 31,666.46
  4. Step 4: Simplify right side
    107,567.87x = 5,109,761,321.47
  5. Step 5: Solve for x
    x = 5,109,761,321.47/107,567.87
  6. Step 6: Final answer
    x = 47,502.67

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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.