Home / 84,031.22-115,803.57-60,116.37

Finding the Fourth Proportional to 84,031.22, 115,803.57 and 60,116.37

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Solution

The fourth proportional to 84,031.22, 115,803.57 and 60,116.37 is: 82,846.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,031.22 : 115,803.57 = 60,116.37 : x
  2. Step 2: Convert to fraction form
    84,031.22/115,803.57 = 60,116.37/x
  3. Step 3: Cross multiply
    84,031.22x = 115,803.57 × 60,116.37
  4. Step 4: Simplify right side
    84,031.22x = 6,961,690,261.44
  5. Step 5: Solve for x
    x = 6,961,690,261.44/84,031.22
  6. Step 6: Final answer
    x = 82,846.47

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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.