Home / 102,042.72-153,067.50-38,853.36

Finding the Fourth Proportional to 102,042.72, 153,067.50 and 38,853.36

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Solution

The fourth proportional to 102,042.72, 153,067.50 and 38,853.36 is: 58,281.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,042.72 : 153,067.50 = 38,853.36 : x
  2. Step 2: Convert to fraction form
    102,042.72/153,067.50 = 38,853.36/x
  3. Step 3: Cross multiply
    102,042.72x = 153,067.50 × 38,853.36
  4. Step 4: Simplify right side
    102,042.72x = 5,947,186,681.80
  5. Step 5: Solve for x
    x = 5,947,186,681.80/102,042.72
  6. Step 6: Final answer
    x = 58,281.34

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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.