Home / 94,243.20-130,039.92-62,455.20

Finding the Fourth Proportional to 94,243.20, 130,039.92 and 62,455.20

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Solution

The fourth proportional to 94,243.20, 130,039.92 and 62,455.20 is: 86,177.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,243.20 : 130,039.92 = 62,455.20 : x
  2. Step 2: Convert to fraction form
    94,243.20/130,039.92 = 62,455.20/x
  3. Step 3: Cross multiply
    94,243.20x = 130,039.92 × 62,455.20
  4. Step 4: Simplify right side
    94,243.20x = 8,121,669,211.58
  5. Step 5: Solve for x
    x = 8,121,669,211.58/94,243.20
  6. Step 6: Final answer
    x = 86,177.77

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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.