Home / 125,294.33-172,907.36-67,933.51

Finding the Fourth Proportional to 125,294.33, 172,907.36 and 67,933.51

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Solution

The fourth proportional to 125,294.33, 172,907.36 and 67,933.51 is: 93,748.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,294.33 : 172,907.36 = 67,933.51 : x
  2. Step 2: Convert to fraction form
    125,294.33/172,907.36 = 67,933.51/x
  3. Step 3: Cross multiply
    125,294.33x = 172,907.36 × 67,933.51
  4. Step 4: Simplify right side
    125,294.33x = 11,746,203,869.63
  5. Step 5: Solve for x
    x = 11,746,203,869.63/125,294.33
  6. Step 6: Final answer
    x = 93,748.89

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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.