Home / 83,525.19-125,315.64-55,555.51

Finding the Fourth Proportional to 83,525.19, 125,315.64 and 55,555.51

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Solution

The fourth proportional to 83,525.19, 125,315.64 and 55,555.51 is: 83,351.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,525.19 : 125,315.64 = 55,555.51 : x
  2. Step 2: Convert to fraction form
    83,525.19/125,315.64 = 55,555.51/x
  3. Step 3: Cross multiply
    83,525.19x = 125,315.64 × 55,555.51
  4. Step 4: Simplify right side
    83,525.19x = 6,961,974,604.47
  5. Step 5: Solve for x
    x = 6,961,974,604.47/83,525.19
  6. Step 6: Final answer
    x = 83,351.79

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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.