Home / 77,326.12-106,706.82-43,792.12

Finding the Fourth Proportional to 77,326.12, 106,706.82 and 43,792.12

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Solution

The fourth proportional to 77,326.12, 106,706.82 and 43,792.12 is: 60,431.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,326.12 : 106,706.82 = 43,792.12 : x
  2. Step 2: Convert to fraction form
    77,326.12/106,706.82 = 43,792.12/x
  3. Step 3: Cross multiply
    77,326.12x = 106,706.82 × 43,792.12
  4. Step 4: Simplify right side
    77,326.12x = 4,672,917,866.26
  5. Step 5: Solve for x
    x = 4,672,917,866.26/77,326.12
  6. Step 6: Final answer
    x = 60,431.30

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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.