Home / 125,077.46-172,608.29-67,718.03

Finding the Fourth Proportional to 125,077.46, 172,608.29 and 67,718.03

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Solution

The fourth proportional to 125,077.46, 172,608.29 and 67,718.03 is: 93,451.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,077.46 : 172,608.29 = 67,718.03 : x
  2. Step 2: Convert to fraction form
    125,077.46/172,608.29 = 67,718.03/x
  3. Step 3: Cross multiply
    125,077.46x = 172,608.29 × 67,718.03
  4. Step 4: Simplify right side
    125,077.46x = 11,688,694,241.67
  5. Step 5: Solve for x
    x = 11,688,694,241.67/125,077.46
  6. Step 6: Final answer
    x = 93,451.64

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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.