Home / 99,216.55-148,777.88-38,455.28

Finding the Fourth Proportional to 99,216.55, 148,777.88 and 38,455.28

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Solution

The fourth proportional to 99,216.55, 148,777.88 and 38,455.28 is: 57,664.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,216.55 : 148,777.88 = 38,455.28 : x
  2. Step 2: Convert to fraction form
    99,216.55/148,777.88 = 38,455.28/x
  3. Step 3: Cross multiply
    99,216.55x = 148,777.88 × 38,455.28
  4. Step 4: Simplify right side
    99,216.55x = 5,721,295,033.21
  5. Step 5: Solve for x
    x = 5,721,295,033.21/99,216.55
  6. Step 6: Final answer
    x = 57,664.72

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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.