Home / 107,935.95-161,939.78-47,956.08

Finding the Fourth Proportional to 107,935.95, 161,939.78 and 47,956.08

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Solution

The fourth proportional to 107,935.95, 161,939.78 and 47,956.08 is: 71,950.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,935.95 : 161,939.78 = 47,956.08 : x
  2. Step 2: Convert to fraction form
    107,935.95/161,939.78 = 47,956.08/x
  3. Step 3: Cross multiply
    107,935.95x = 161,939.78 × 47,956.08
  4. Step 4: Simplify right side
    107,935.95x = 7,765,996,805.08
  5. Step 5: Solve for x
    x = 7,765,996,805.08/107,935.95
  6. Step 6: Final answer
    x = 71,950.05

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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.