Home / 77,196.75-106,531.52-41,868.75

Finding the Fourth Proportional to 77,196.75, 106,531.52 and 41,868.75

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Solution

The fourth proportional to 77,196.75, 106,531.52 and 41,868.75 is: 57,778.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,196.75 : 106,531.52 = 41,868.75 : x
  2. Step 2: Convert to fraction form
    77,196.75/106,531.52 = 41,868.75/x
  3. Step 3: Cross multiply
    77,196.75x = 106,531.52 × 41,868.75
  4. Step 4: Simplify right side
    77,196.75x = 4,460,341,368.66
  5. Step 5: Solve for x
    x = 4,460,341,368.66/77,196.75
  6. Step 6: Final answer
    x = 57,778.88

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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.