Home / 107,035.29-147,712.86-59,287.68

Finding the Fourth Proportional to 107,035.29, 147,712.86 and 59,287.68

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Solution

The fourth proportional to 107,035.29, 147,712.86 and 59,287.68 is: 81,819.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,035.29 : 147,712.86 = 59,287.68 : x
  2. Step 2: Convert to fraction form
    107,035.29/147,712.86 = 59,287.68/x
  3. Step 3: Cross multiply
    107,035.29x = 147,712.86 × 59,287.68
  4. Step 4: Simplify right side
    107,035.29x = 8,757,552,775.56
  5. Step 5: Solve for x
    x = 8,757,552,775.56/107,035.29
  6. Step 6: Final answer
    x = 81,819.30

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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.