Home / 125,640.30-173,381.67-69,050.46

Finding the Fourth Proportional to 125,640.30, 173,381.67 and 69,050.46

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Solution

The fourth proportional to 125,640.30, 173,381.67 and 69,050.46 is: 95,288.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,640.30 : 173,381.67 = 69,050.46 : x
  2. Step 2: Convert to fraction form
    125,640.30/173,381.67 = 69,050.46/x
  3. Step 3: Cross multiply
    125,640.30x = 173,381.67 × 69,050.46
  4. Step 4: Simplify right side
    125,640.30x = 11,972,084,069.07
  5. Step 5: Solve for x
    x = 11,972,084,069.07/125,640.30
  6. Step 6: Final answer
    x = 95,288.57

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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.