Home / 115,713.29-173,668.55-45,641.81

Finding the Fourth Proportional to 115,713.29, 173,668.55 and 45,641.81

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Solution

The fourth proportional to 115,713.29, 173,668.55 and 45,641.81 is: 68,501.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,713.29 : 173,668.55 = 45,641.81 : x
  2. Step 2: Convert to fraction form
    115,713.29/173,668.55 = 45,641.81/x
  3. Step 3: Cross multiply
    115,713.29x = 173,668.55 × 45,641.81
  4. Step 4: Simplify right side
    115,713.29x = 7,926,546,962.08
  5. Step 5: Solve for x
    x = 7,926,546,962.08/115,713.29
  6. Step 6: Final answer
    x = 68,501.61

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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.