Home / 125,502.44-173,192.12-68,140.50

Finding the Fourth Proportional to 125,502.44, 173,192.12 and 68,140.50

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Solution

The fourth proportional to 125,502.44, 173,192.12 and 68,140.50 is: 94,033.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,502.44 : 173,192.12 = 68,140.50 : x
  2. Step 2: Convert to fraction form
    125,502.44/173,192.12 = 68,140.50/x
  3. Step 3: Cross multiply
    125,502.44x = 173,192.12 × 68,140.50
  4. Step 4: Simplify right side
    125,502.44x = 11,801,397,652.86
  5. Step 5: Solve for x
    x = 11,801,397,652.86/125,502.44
  6. Step 6: Final answer
    x = 94,033.21

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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.