Home / 99,021.24-148,582.92-65,764.32

Finding the Fourth Proportional to 99,021.24, 148,582.92 and 65,764.32

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Solution

The fourth proportional to 99,021.24, 148,582.92 and 65,764.32 is: 98,680.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,021.24 : 148,582.92 = 65,764.32 : x
  2. Step 2: Convert to fraction form
    99,021.24/148,582.92 = 65,764.32/x
  3. Step 3: Cross multiply
    99,021.24x = 148,582.92 × 65,764.32
  4. Step 4: Simplify right side
    99,021.24x = 9,771,454,697.41
  5. Step 5: Solve for x
    x = 9,771,454,697.41/99,021.24
  6. Step 6: Final answer
    x = 98,680.39

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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.