Home / 107,428.68-161,162.46-37,289.16

Finding the Fourth Proportional to 107,428.68, 161,162.46 and 37,289.16

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Solution

The fourth proportional to 107,428.68, 161,162.46 and 37,289.16 is: 55,940.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,428.68 : 161,162.46 = 37,289.16 : x
  2. Step 2: Convert to fraction form
    107,428.68/161,162.46 = 37,289.16/x
  3. Step 3: Cross multiply
    107,428.68x = 161,162.46 × 37,289.16
  4. Step 4: Simplify right side
    107,428.68x = 6,009,612,756.93
  5. Step 5: Solve for x
    x = 6,009,612,756.93/107,428.68
  6. Step 6: Final answer
    x = 55,940.49

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1.5x scale

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.