Home / 78,497.19-108,211.82-59,601.51

Finding the Fourth Proportional to 78,497.19, 108,211.82 and 59,601.51

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Solution

The fourth proportional to 78,497.19, 108,211.82 and 59,601.51 is: 82,163.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,497.19 : 108,211.82 = 59,601.51 : x
  2. Step 2: Convert to fraction form
    78,497.19/108,211.82 = 59,601.51/x
  3. Step 3: Cross multiply
    78,497.19x = 108,211.82 × 59,601.51
  4. Step 4: Simplify right side
    78,497.19x = 6,449,587,573.84
  5. Step 5: Solve for x
    x = 6,449,587,573.84/78,497.19
  6. Step 6: Final answer
    x = 82,163.29

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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.