Home / 97,657.86-134,767.18-55,216.56

Finding the Fourth Proportional to 97,657.86, 134,767.18 and 55,216.56

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Solution

The fourth proportional to 97,657.86, 134,767.18 and 55,216.56 is: 76,198.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,657.86 : 134,767.18 = 55,216.56 : x
  2. Step 2: Convert to fraction form
    97,657.86/134,767.18 = 55,216.56/x
  3. Step 3: Cross multiply
    97,657.86x = 134,767.18 × 55,216.56
  4. Step 4: Simplify right side
    97,657.86x = 7,441,380,080.50
  5. Step 5: Solve for x
    x = 7,441,380,080.50/97,657.86
  6. Step 6: Final answer
    x = 76,198.48

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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.