Home / 49,857.42-74,785.93-20,275.01

Finding the Fourth Proportional to 49,857.42, 74,785.93 and 20,275.01

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Solution

The fourth proportional to 49,857.42, 74,785.93 and 20,275.01 is: 30,412.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,857.42 : 74,785.93 = 20,275.01 : x
  2. Step 2: Convert to fraction form
    49,857.42/74,785.93 = 20,275.01/x
  3. Step 3: Cross multiply
    49,857.42x = 74,785.93 × 20,275.01
  4. Step 4: Simplify right side
    49,857.42x = 1,516,285,003.30
  5. Step 5: Solve for x
    x = 1,516,285,003.30/49,857.42
  6. Step 6: Final answer
    x = 30,412.42

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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.