Home / 103,177.23-142,414.10-60,760.36

Finding the Fourth Proportional to 103,177.23, 142,414.10 and 60,760.36

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Solution

The fourth proportional to 103,177.23, 142,414.10 and 60,760.36 is: 83,866.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,177.23 : 142,414.10 = 60,760.36 : x
  2. Step 2: Convert to fraction form
    103,177.23/142,414.10 = 60,760.36/x
  3. Step 3: Cross multiply
    103,177.23x = 142,414.10 × 60,760.36
  4. Step 4: Simplify right side
    103,177.23x = 8,653,131,985.08
  5. Step 5: Solve for x
    x = 8,653,131,985.08/103,177.23
  6. Step 6: Final answer
    x = 83,866.68

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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.