Home / 55,956.48-83,944.16-39,857.66

Finding the Fourth Proportional to 55,956.48, 83,944.16 and 39,857.66

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Solution

The fourth proportional to 55,956.48, 83,944.16 and 39,857.66 is: 59,793.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,956.48 : 83,944.16 = 39,857.66 : x
  2. Step 2: Convert to fraction form
    55,956.48/83,944.16 = 39,857.66/x
  3. Step 3: Cross multiply
    55,956.48x = 83,944.16 × 39,857.66
  4. Step 4: Simplify right side
    55,956.48x = 3,345,817,788.27
  5. Step 5: Solve for x
    x = 3,345,817,788.27/55,956.48
  6. Step 6: Final answer
    x = 59,793.21

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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.