Home / 125,418.32-173,075.56-68,829.69

Finding the Fourth Proportional to 125,418.32, 173,075.56 and 68,829.69

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Solution

The fourth proportional to 125,418.32, 173,075.56 and 68,829.69 is: 94,984.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,418.32 : 173,075.56 = 68,829.69 : x
  2. Step 2: Convert to fraction form
    125,418.32/173,075.56 = 68,829.69/x
  3. Step 3: Cross multiply
    125,418.32x = 173,075.56 × 68,829.69
  4. Step 4: Simplify right side
    125,418.32x = 11,912,737,141.38
  5. Step 5: Solve for x
    x = 11,912,737,141.38/125,418.32
  6. Step 6: Final answer
    x = 94,984.03

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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.