Home / 99,163.20-148,526.10-59,651.40

Finding the Fourth Proportional to 99,163.20, 148,526.10 and 59,651.40

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Solution

The fourth proportional to 99,163.20, 148,526.10 and 59,651.40 is: 89,345.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,163.20 : 148,526.10 = 59,651.40 : x
  2. Step 2: Convert to fraction form
    99,163.20/148,526.10 = 59,651.40/x
  3. Step 3: Cross multiply
    99,163.20x = 148,526.10 × 59,651.40
  4. Step 4: Simplify right side
    99,163.20x = 8,859,789,801.54
  5. Step 5: Solve for x
    x = 8,859,789,801.54/99,163.20
  6. Step 6: Final answer
    x = 89,345.54

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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.