Home / 107,035.20-147,708.72-59,287.56

Finding the Fourth Proportional to 107,035.20, 147,708.72 and 59,287.56

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Solution

The fourth proportional to 107,035.20, 147,708.72 and 59,287.56 is: 81,816.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,035.20 : 147,708.72 = 59,287.56 : x
  2. Step 2: Convert to fraction form
    107,035.20/147,708.72 = 59,287.56/x
  3. Step 3: Cross multiply
    107,035.20x = 147,708.72 × 59,287.56
  4. Step 4: Simplify right side
    107,035.20x = 8,757,289,599.52
  5. Step 5: Solve for x
    x = 8,757,289,599.52/107,035.20
  6. Step 6: Final answer
    x = 81,816.91

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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.