Home / 85,139.82-117,370.22-59,566.95

Finding the Fourth Proportional to 85,139.82, 117,370.22 and 59,566.95

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Solution

The fourth proportional to 85,139.82, 117,370.22 and 59,566.95 is: 82,116.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,139.82 : 117,370.22 = 59,566.95 : x
  2. Step 2: Convert to fraction form
    85,139.82/117,370.22 = 59,566.95/x
  3. Step 3: Cross multiply
    85,139.82x = 117,370.22 × 59,566.95
  4. Step 4: Simplify right side
    85,139.82x = 6,991,385,728.39
  5. Step 5: Solve for x
    x = 6,991,385,728.39/85,139.82
  6. Step 6: Final answer
    x = 82,116.52

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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.