Home / 49,687.20-74,530.80-26,359.20

Finding the Fourth Proportional to 49,687.20, 74,530.80 and 26,359.20

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Solution

The fourth proportional to 49,687.20, 74,530.80 and 26,359.20 is: 39,538.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,687.20 : 74,530.80 = 26,359.20 : x
  2. Step 2: Convert to fraction form
    49,687.20/74,530.80 = 26,359.20/x
  3. Step 3: Cross multiply
    49,687.20x = 74,530.80 × 26,359.20
  4. Step 4: Simplify right side
    49,687.20x = 1,964,572,263.36
  5. Step 5: Solve for x
    x = 1,964,572,263.36/49,687.20
  6. Step 6: Final answer
    x = 39,538.80

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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.