Home / 89,483.35-133,932.96-65,784.62

Finding the Fourth Proportional to 89,483.35, 133,932.96 and 65,784.62

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Solution

The fourth proportional to 89,483.35, 133,932.96 and 65,784.62 is: 98,462.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,483.35 : 133,932.96 = 65,784.62 : x
  2. Step 2: Convert to fraction form
    89,483.35/133,932.96 = 65,784.62/x
  3. Step 3: Cross multiply
    89,483.35x = 133,932.96 × 65,784.62
  4. Step 4: Simplify right side
    89,483.35x = 8,810,728,879.08
  5. Step 5: Solve for x
    x = 8,810,728,879.08/89,483.35
  6. Step 6: Final answer
    x = 98,462.22

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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.