Home / 73,171.08-109,657.98-53,356.86

Finding the Fourth Proportional to 73,171.08, 109,657.98 and 53,356.86

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Solution

The fourth proportional to 73,171.08, 109,657.98 and 53,356.86 is: 79,963.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,171.08 : 109,657.98 = 53,356.86 : x
  2. Step 2: Convert to fraction form
    73,171.08/109,657.98 = 53,356.86/x
  3. Step 3: Cross multiply
    73,171.08x = 109,657.98 × 53,356.86
  4. Step 4: Simplify right side
    73,171.08x = 5,851,005,486.74
  5. Step 5: Solve for x
    x = 5,851,005,486.74/73,171.08
  6. Step 6: Final answer
    x = 79,963.36

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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.