Home / 55,836.20-77,060.61-31,970.54

Finding the Fourth Proportional to 55,836.20, 77,060.61 and 31,970.54

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Solution

The fourth proportional to 55,836.20, 77,060.61 and 31,970.54 is: 44,123.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,836.20 : 77,060.61 = 31,970.54 : x
  2. Step 2: Convert to fraction form
    55,836.20/77,060.61 = 31,970.54/x
  3. Step 3: Cross multiply
    55,836.20x = 77,060.61 × 31,970.54
  4. Step 4: Simplify right side
    55,836.20x = 2,463,669,314.43
  5. Step 5: Solve for x
    x = 2,463,669,314.43/55,836.20
  6. Step 6: Final answer
    x = 44,123.16

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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.