Home / 71,816.42-98,892.65-70,223.24

Finding the Fourth Proportional to 71,816.42, 98,892.65 and 70,223.24

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Solution

The fourth proportional to 71,816.42, 98,892.65 and 70,223.24 is: 96,698.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,816.42 : 98,892.65 = 70,223.24 : x
  2. Step 2: Convert to fraction form
    71,816.42/98,892.65 = 70,223.24/x
  3. Step 3: Cross multiply
    71,816.42x = 98,892.65 × 70,223.24
  4. Step 4: Simplify right side
    71,816.42x = 6,944,562,717.98
  5. Step 5: Solve for x
    x = 6,944,562,717.98/71,816.42
  6. Step 6: Final answer
    x = 96,698.81

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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.