Home / 55,050.37-75,970.92-31,176.70

Finding the Fourth Proportional to 55,050.37, 75,970.92 and 31,176.70

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Solution

The fourth proportional to 55,050.37, 75,970.92 and 31,176.70 is: 43,024.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,050.37 : 75,970.92 = 31,176.70 : x
  2. Step 2: Convert to fraction form
    55,050.37/75,970.92 = 31,176.70/x
  3. Step 3: Cross multiply
    55,050.37x = 75,970.92 × 31,176.70
  4. Step 4: Simplify right side
    55,050.37x = 2,368,522,581.56
  5. Step 5: Solve for x
    x = 2,368,522,581.56/55,050.37
  6. Step 6: Final answer
    x = 43,024.64

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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.