Home / 115,707.90-173,626.65-49,136.70

Finding the Fourth Proportional to 115,707.90, 173,626.65 and 49,136.70

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Solution

The fourth proportional to 115,707.90, 173,626.65 and 49,136.70 is: 73,732.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,707.90 : 173,626.65 = 49,136.70 : x
  2. Step 2: Convert to fraction form
    115,707.90/173,626.65 = 49,136.70/x
  3. Step 3: Cross multiply
    115,707.90x = 173,626.65 × 49,136.70
  4. Step 4: Simplify right side
    115,707.90x = 8,531,440,613.06
  5. Step 5: Solve for x
    x = 8,531,440,613.06/115,707.90
  6. Step 6: Final answer
    x = 73,732.57

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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.