Home / 125,113.96-172,657.35-67,753.73

Finding the Fourth Proportional to 125,113.96, 172,657.35 and 67,753.73

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Solution

The fourth proportional to 125,113.96, 172,657.35 and 67,753.73 is: 93,500.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,113.96 : 172,657.35 = 67,753.73 : x
  2. Step 2: Convert to fraction form
    125,113.96/172,657.35 = 67,753.73/x
  3. Step 3: Cross multiply
    125,113.96x = 172,657.35 × 67,753.73
  4. Step 4: Simplify right side
    125,113.96x = 11,698,179,258.59
  5. Step 5: Solve for x
    x = 11,698,179,258.59/125,113.96
  6. Step 6: Final answer
    x = 93,500.20

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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.