Home / 74,225.48-111,336.65-18,065.90

Finding the Fourth Proportional to 74,225.48, 111,336.65 and 18,065.90

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Solution

The fourth proportional to 74,225.48, 111,336.65 and 18,065.90 is: 27,098.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,225.48 : 111,336.65 = 18,065.90 : x
  2. Step 2: Convert to fraction form
    74,225.48/111,336.65 = 18,065.90/x
  3. Step 3: Cross multiply
    74,225.48x = 111,336.65 × 18,065.90
  4. Step 4: Simplify right side
    74,225.48x = 2,011,396,516.35
  5. Step 5: Solve for x
    x = 2,011,396,516.35/74,225.48
  6. Step 6: Final answer
    x = 27,098.47

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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.