Home / 97,150.83-134,067.45-54,128.15

Finding the Fourth Proportional to 97,150.83, 134,067.45 and 54,128.15

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Solution

The fourth proportional to 97,150.83, 134,067.45 and 54,128.15 is: 74,696.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,150.83 : 134,067.45 = 54,128.15 : x
  2. Step 2: Convert to fraction form
    97,150.83/134,067.45 = 54,128.15/x
  3. Step 3: Cross multiply
    97,150.83x = 134,067.45 × 54,128.15
  4. Step 4: Simplify right side
    97,150.83x = 7,256,823,079.11
  5. Step 5: Solve for x
    x = 7,256,823,079.11/97,150.83
  6. Step 6: Final answer
    x = 74,696.46

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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.