Home / 79,590.05-109,831.93-43,780.04

Finding the Fourth Proportional to 79,590.05, 109,831.93 and 43,780.04

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Solution

The fourth proportional to 79,590.05, 109,831.93 and 43,780.04 is: 60,415.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,590.05 : 109,831.93 = 43,780.04 : x
  2. Step 2: Convert to fraction form
    79,590.05/109,831.93 = 43,780.04/x
  3. Step 3: Cross multiply
    79,590.05x = 109,831.93 × 43,780.04
  4. Step 4: Simplify right side
    79,590.05x = 4,808,446,288.68
  5. Step 5: Solve for x
    x = 4,808,446,288.68/79,590.05
  6. Step 6: Final answer
    x = 60,415.17

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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.