Home / 68,725.98-103,557.15-56,519.46

Finding the Fourth Proportional to 68,725.98, 103,557.15 and 56,519.46

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Solution

The fourth proportional to 68,725.98, 103,557.15 and 56,519.46 is: 85,164.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,725.98 : 103,557.15 = 56,519.46 : x
  2. Step 2: Convert to fraction form
    68,725.98/103,557.15 = 56,519.46/x
  3. Step 3: Cross multiply
    68,725.98x = 103,557.15 × 56,519.46
  4. Step 4: Simplify right side
    68,725.98x = 5,852,994,197.14
  5. Step 5: Solve for x
    x = 5,852,994,197.14/68,725.98
  6. Step 6: Final answer
    x = 85,164.22

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.