Home / 99,609.12-149,413.14-57,461.94

Finding the Fourth Proportional to 99,609.12, 149,413.14 and 57,461.94

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Solution

The fourth proportional to 99,609.12, 149,413.14 and 57,461.94 is: 86,192.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,609.12 : 149,413.14 = 57,461.94 : x
  2. Step 2: Convert to fraction form
    99,609.12/149,413.14 = 57,461.94/x
  3. Step 3: Cross multiply
    99,609.12x = 149,413.14 × 57,461.94
  4. Step 4: Simplify right side
    99,609.12x = 8,585,568,885.89
  5. Step 5: Solve for x
    x = 8,585,568,885.89/99,609.12
  6. Step 6: Final answer
    x = 86,192.60

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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.