Home / 84,075.31-126,050.19-50,787.82

Finding the Fourth Proportional to 84,075.31, 126,050.19 and 50,787.82

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Solution

The fourth proportional to 84,075.31, 126,050.19 and 50,787.82 is: 76,143.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,075.31 : 126,050.19 = 50,787.82 : x
  2. Step 2: Convert to fraction form
    84,075.31/126,050.19 = 50,787.82/x
  3. Step 3: Cross multiply
    84,075.31x = 126,050.19 × 50,787.82
  4. Step 4: Simplify right side
    84,075.31x = 6,401,814,360.69
  5. Step 5: Solve for x
    x = 6,401,814,360.69/84,075.31
  6. Step 6: Final answer
    x = 76,143.81

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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.