Home / 115,698.90-173,613.15-49,127.70

Finding the Fourth Proportional to 115,698.90, 173,613.15 and 49,127.70

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Solution

The fourth proportional to 115,698.90, 173,613.15 and 49,127.70 is: 73,719.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,698.90 : 173,613.15 = 49,127.70 : x
  2. Step 2: Convert to fraction form
    115,698.90/173,613.15 = 49,127.70/x
  3. Step 3: Cross multiply
    115,698.90x = 173,613.15 × 49,127.70
  4. Step 4: Simplify right side
    115,698.90x = 8,529,214,749.26
  5. Step 5: Solve for x
    x = 8,529,214,749.26/115,698.90
  6. Step 6: Final answer
    x = 73,719.07

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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.