Home / 99,220.07-148,818.31-32,643.69

Finding the Fourth Proportional to 99,220.07, 148,818.31 and 32,643.69

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Solution

The fourth proportional to 99,220.07, 148,818.31 and 32,643.69 is: 48,961.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,220.07 : 148,818.31 = 32,643.69 : x
  2. Step 2: Convert to fraction form
    99,220.07/148,818.31 = 32,643.69/x
  3. Step 3: Cross multiply
    99,220.07x = 148,818.31 × 32,643.69
  4. Step 4: Simplify right side
    99,220.07x = 4,857,977,870.65
  5. Step 5: Solve for x
    x = 4,857,977,870.65/99,220.07
  6. Step 6: Final answer
    x = 48,961.65

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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.