Home / 54,744.70-82,117.05-45,887.35

Finding the Fourth Proportional to 54,744.70, 82,117.05 and 45,887.35

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Solution

The fourth proportional to 54,744.70, 82,117.05 and 45,887.35 is: 68,831.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,744.70 : 82,117.05 = 45,887.35 : x
  2. Step 2: Convert to fraction form
    54,744.70/82,117.05 = 45,887.35/x
  3. Step 3: Cross multiply
    54,744.70x = 82,117.05 × 45,887.35
  4. Step 4: Simplify right side
    54,744.70x = 3,768,133,814.32
  5. Step 5: Solve for x
    x = 3,768,133,814.32/54,744.70
  6. Step 6: Final answer
    x = 68,831.03

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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.