Home / 107,639.35-161,459.84-37,518.73

Finding the Fourth Proportional to 107,639.35, 161,459.84 and 37,518.73

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Solution

The fourth proportional to 107,639.35, 161,459.84 and 37,518.73 is: 56,278.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,639.35 : 161,459.84 = 37,518.73 : x
  2. Step 2: Convert to fraction form
    107,639.35/161,459.84 = 37,518.73/x
  3. Step 3: Cross multiply
    107,639.35x = 161,459.84 × 37,518.73
  4. Step 4: Simplify right side
    107,639.35x = 6,057,767,551.56
  5. Step 5: Solve for x
    x = 6,057,767,551.56/107,639.35
  6. Step 6: Final answer
    x = 56,278.37

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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.