Home / 56,823.13-78,449.55-50,518.09

Finding the Fourth Proportional to 56,823.13, 78,449.55 and 50,518.09

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Solution

The fourth proportional to 56,823.13, 78,449.55 and 50,518.09 is: 69,744.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,823.13 : 78,449.55 = 50,518.09 : x
  2. Step 2: Convert to fraction form
    56,823.13/78,449.55 = 50,518.09/x
  3. Step 3: Cross multiply
    56,823.13x = 78,449.55 × 50,518.09
  4. Step 4: Simplify right side
    56,823.13x = 3,963,121,035.11
  5. Step 5: Solve for x
    x = 3,963,121,035.11/56,823.13
  6. Step 6: Final answer
    x = 69,744.86

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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.