Home / 83,707.09-115,516.63-45,467.00

Finding the Fourth Proportional to 83,707.09, 115,516.63 and 45,467.00

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Solution

The fourth proportional to 83,707.09, 115,516.63 and 45,467.00 is: 62,744.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,707.09 : 115,516.63 = 45,467.00 : x
  2. Step 2: Convert to fraction form
    83,707.09/115,516.63 = 45,467.00/x
  3. Step 3: Cross multiply
    83,707.09x = 115,516.63 × 45,467.00
  4. Step 4: Simplify right side
    83,707.09x = 5,252,194,791.33
  5. Step 5: Solve for x
    x = 5,252,194,791.33/83,707.09
  6. Step 6: Final answer
    x = 62,744.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.