Home / 137,075.97-205,562.91-47,100.06

Finding the Fourth Proportional to 137,075.97, 205,562.91 and 47,100.06

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Solution

The fourth proportional to 137,075.97, 205,562.91 and 47,100.06 is: 70,632.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,075.97 : 205,562.91 = 47,100.06 : x
  2. Step 2: Convert to fraction form
    137,075.97/205,562.91 = 47,100.06/x
  3. Step 3: Cross multiply
    137,075.97x = 205,562.91 × 47,100.06
  4. Step 4: Simplify right side
    137,075.97x = 9,682,025,394.77
  5. Step 5: Solve for x
    x = 9,682,025,394.77/137,075.97
  6. Step 6: Final answer
    x = 70,632.55

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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.