Home / 125,044.53-172,561.43-67,683.84

Finding the Fourth Proportional to 125,044.53, 172,561.43 and 67,683.84

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Solution

The fourth proportional to 125,044.53, 172,561.43 and 67,683.84 is: 93,403.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,044.53 : 172,561.43 = 67,683.84 : x
  2. Step 2: Convert to fraction form
    125,044.53/172,561.43 = 67,683.84/x
  3. Step 3: Cross multiply
    125,044.53x = 172,561.43 × 67,683.84
  4. Step 4: Simplify right side
    125,044.53x = 11,679,620,520.69
  5. Step 5: Solve for x
    x = 11,679,620,520.69/125,044.53
  6. Step 6: Final answer
    x = 93,403.69

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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.