Home / 55,008.76-82,525.12-31,327.50

Finding the Fourth Proportional to 55,008.76, 82,525.12 and 31,327.50

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Solution

The fourth proportional to 55,008.76, 82,525.12 and 31,327.50 is: 46,998.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,008.76 : 82,525.12 = 31,327.50 : x
  2. Step 2: Convert to fraction form
    55,008.76/82,525.12 = 31,327.50/x
  3. Step 3: Cross multiply
    55,008.76x = 82,525.12 × 31,327.50
  4. Step 4: Simplify right side
    55,008.76x = 2,585,305,696.80
  5. Step 5: Solve for x
    x = 2,585,305,696.80/55,008.76
  6. Step 6: Final answer
    x = 46,998.07

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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.