Home / 53,181.99-73,358.64-31,657.32

Finding the Fourth Proportional to 53,181.99, 73,358.64 and 31,657.32

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Solution

The fourth proportional to 53,181.99, 73,358.64 and 31,657.32 is: 43,667.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,181.99 : 73,358.64 = 31,657.32 : x
  2. Step 2: Convert to fraction form
    53,181.99/73,358.64 = 31,657.32/x
  3. Step 3: Cross multiply
    53,181.99x = 73,358.64 × 31,657.32
  4. Step 4: Simplify right side
    53,181.99x = 2,322,337,941.24
  5. Step 5: Solve for x
    x = 2,322,337,941.24/53,181.99
  6. Step 6: Final answer
    x = 43,667.75

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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.