Home / 83,516.34-115,253.01-45,791.22

Finding the Fourth Proportional to 83,516.34, 115,253.01 and 45,791.22

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Solution

The fourth proportional to 83,516.34, 115,253.01 and 45,791.22 is: 63,192.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,516.34 : 115,253.01 = 45,791.22 : x
  2. Step 2: Convert to fraction form
    83,516.34/115,253.01 = 45,791.22/x
  3. Step 3: Cross multiply
    83,516.34x = 115,253.01 × 45,791.22
  4. Step 4: Simplify right side
    83,516.34x = 5,277,575,936.57
  5. Step 5: Solve for x
    x = 5,277,575,936.57/83,516.34
  6. Step 6: Final answer
    x = 63,192.14

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1.5x scale

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.