Home / 125,439.03-173,092.82-70,997.31

Finding the Fourth Proportional to 125,439.03, 173,092.82 and 70,997.31

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Solution

The fourth proportional to 125,439.03, 173,092.82 and 70,997.31 is: 97,968.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,439.03 : 173,092.82 = 70,997.31 : x
  2. Step 2: Convert to fraction form
    125,439.03/173,092.82 = 70,997.31/x
  3. Step 3: Cross multiply
    125,439.03x = 173,092.82 × 70,997.31
  4. Step 4: Simplify right side
    125,439.03x = 12,289,123,912.34
  5. Step 5: Solve for x
    x = 12,289,123,912.34/125,439.03
  6. Step 6: Final answer
    x = 97,968.90

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1.5x scale

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.