Home / 99,023.04-148,556.16-39,860.64

Finding the Fourth Proportional to 99,023.04, 148,556.16 and 39,860.64

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Solution

The fourth proportional to 99,023.04, 148,556.16 and 39,860.64 is: 59,799.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,023.04 : 148,556.16 = 39,860.64 : x
  2. Step 2: Convert to fraction form
    99,023.04/148,556.16 = 39,860.64/x
  3. Step 3: Cross multiply
    99,023.04x = 148,556.16 × 39,860.64
  4. Step 4: Simplify right side
    99,023.04x = 5,921,543,613.54
  5. Step 5: Solve for x
    x = 5,921,543,613.54/99,023.04
  6. Step 6: Final answer
    x = 59,799.65

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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.