Home / 98,977.80-148,499.28-65,828.28

Finding the Fourth Proportional to 98,977.80, 148,499.28 and 65,828.28

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Solution

The fourth proportional to 98,977.80, 148,499.28 and 65,828.28 is: 98,764.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,977.80 : 148,499.28 = 65,828.28 : x
  2. Step 2: Convert to fraction form
    98,977.80/148,499.28 = 65,828.28/x
  3. Step 3: Cross multiply
    98,977.80x = 148,499.28 × 65,828.28
  4. Step 4: Simplify right side
    98,977.80x = 9,775,452,183.64
  5. Step 5: Solve for x
    x = 9,775,452,183.64/98,977.80
  6. Step 6: Final answer
    x = 98,764.09

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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.