Home / 52,723.92-72,752.64-31,499.04

Finding the Fourth Proportional to 52,723.92, 72,752.64 and 31,499.04

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Solution

The fourth proportional to 52,723.92, 72,752.64 and 31,499.04 is: 43,464.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,723.92 : 72,752.64 = 31,499.04 : x
  2. Step 2: Convert to fraction form
    52,723.92/72,752.64 = 31,499.04/x
  3. Step 3: Cross multiply
    52,723.92x = 72,752.64 × 31,499.04
  4. Step 4: Simplify right side
    52,723.92x = 2,291,638,317.47
  5. Step 5: Solve for x
    x = 2,291,638,317.47/52,723.92
  6. Step 6: Final answer
    x = 43,464.87

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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.