Home / 98,874.18-148,318.20-39,709.89

Finding the Fourth Proportional to 98,874.18, 148,318.20 and 39,709.89

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Solution

The fourth proportional to 98,874.18, 148,318.20 and 39,709.89 is: 59,567.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,874.18 : 148,318.20 = 39,709.89 : x
  2. Step 2: Convert to fraction form
    98,874.18/148,318.20 = 39,709.89/x
  3. Step 3: Cross multiply
    98,874.18x = 148,318.20 × 39,709.89
  4. Step 4: Simplify right side
    98,874.18x = 5,889,699,407.00
  5. Step 5: Solve for x
    x = 5,889,699,407.00/98,874.18
  6. Step 6: Final answer
    x = 59,567.62

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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.