Home / 107,431.68-161,142.66-37,316.46

Finding the Fourth Proportional to 107,431.68, 161,142.66 and 37,316.46

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Solution

The fourth proportional to 107,431.68, 161,142.66 and 37,316.46 is: 55,973.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,431.68 : 161,142.66 = 37,316.46 : x
  2. Step 2: Convert to fraction form
    107,431.68/161,142.66 = 37,316.46/x
  3. Step 3: Cross multiply
    107,431.68x = 161,142.66 × 37,316.46
  4. Step 4: Simplify right side
    107,431.68x = 6,013,273,626.18
  5. Step 5: Solve for x
    x = 6,013,273,626.18/107,431.68
  6. Step 6: Final answer
    x = 55,973.00

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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.