Home / 54,781.13-75,529.44-45,719.52

Finding the Fourth Proportional to 54,781.13, 75,529.44 and 45,719.52

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Solution

The fourth proportional to 54,781.13, 75,529.44 and 45,719.52 is: 63,035.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,781.13 : 75,529.44 = 45,719.52 : x
  2. Step 2: Convert to fraction form
    54,781.13/75,529.44 = 45,719.52/x
  3. Step 3: Cross multiply
    54,781.13x = 75,529.44 × 45,719.52
  4. Step 4: Simplify right side
    54,781.13x = 3,453,169,742.67
  5. Step 5: Solve for x
    x = 3,453,169,742.67/54,781.13
  6. Step 6: Final answer
    x = 63,035.76

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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.