Home / 68,719.58-103,102.44-37,132.47

Finding the Fourth Proportional to 68,719.58, 103,102.44 and 37,132.47

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Solution

The fourth proportional to 68,719.58, 103,102.44 and 37,132.47 is: 55,711.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,719.58 : 103,102.44 = 37,132.47 : x
  2. Step 2: Convert to fraction form
    68,719.58/103,102.44 = 37,132.47/x
  3. Step 3: Cross multiply
    68,719.58x = 103,102.44 × 37,132.47
  4. Step 4: Simplify right side
    68,719.58x = 3,828,447,559.05
  5. Step 5: Solve for x
    x = 3,828,447,559.05/68,719.58
  6. Step 6: Final answer
    x = 55,711.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.