Home / 107,035.28-147,709.92-59,289.56

Finding the Fourth Proportional to 107,035.28, 147,709.92 and 59,289.56

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Solution

The fourth proportional to 107,035.28, 147,709.92 and 59,289.56 is: 81,820.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,035.28 : 147,709.92 = 59,289.56 : x
  2. Step 2: Convert to fraction form
    107,035.28/147,709.92 = 59,289.56/x
  3. Step 3: Cross multiply
    107,035.28x = 147,709.92 × 59,289.56
  4. Step 4: Simplify right side
    107,035.28x = 8,757,656,164.44
  5. Step 5: Solve for x
    x = 8,757,656,164.44/107,035.28
  6. Step 6: Final answer
    x = 81,820.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.