Home / 125,474.49-173,168.57-71,764.53

Finding the Fourth Proportional to 125,474.49, 173,168.57 and 71,764.53

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Solution

The fourth proportional to 125,474.49, 173,168.57 and 71,764.53 is: 99,042.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,474.49 : 173,168.57 = 71,764.53 : x
  2. Step 2: Convert to fraction form
    125,474.49/173,168.57 = 71,764.53/x
  3. Step 3: Cross multiply
    125,474.49x = 173,168.57 × 71,764.53
  4. Step 4: Simplify right side
    125,474.49x = 12,427,360,678.00
  5. Step 5: Solve for x
    x = 12,427,360,678.00/125,474.49
  6. Step 6: Final answer
    x = 99,042.93

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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.