Home / 73,071.19-109,594.44-20,468.58

Finding the Fourth Proportional to 73,071.19, 109,594.44 and 20,468.58

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Solution

The fourth proportional to 73,071.19, 109,594.44 and 20,468.58 is: 30,699.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,071.19 : 109,594.44 = 20,468.58 : x
  2. Step 2: Convert to fraction form
    73,071.19/109,594.44 = 20,468.58/x
  3. Step 3: Cross multiply
    73,071.19x = 109,594.44 × 20,468.58
  4. Step 4: Simplify right side
    73,071.19x = 2,243,242,562.70
  5. Step 5: Solve for x
    x = 2,243,242,562.70/73,071.19
  6. Step 6: Final answer
    x = 30,699.41

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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.