Home / 79,223.16-109,330.62-43,412.86

Finding the Fourth Proportional to 79,223.16, 109,330.62 and 43,412.86

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Solution

The fourth proportional to 79,223.16, 109,330.62 and 43,412.86 is: 59,911.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,223.16 : 109,330.62 = 43,412.86 : x
  2. Step 2: Convert to fraction form
    79,223.16/109,330.62 = 43,412.86/x
  3. Step 3: Cross multiply
    79,223.16x = 109,330.62 × 43,412.86
  4. Step 4: Simplify right side
    79,223.16x = 4,746,354,502.85
  5. Step 5: Solve for x
    x = 4,746,354,502.85/79,223.16
  6. Step 6: Final answer
    x = 59,911.20

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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.