Home / 49,709.36-74,580.44-20,152.06

Finding the Fourth Proportional to 49,709.36, 74,580.44 and 20,152.06

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Solution

The fourth proportional to 49,709.36, 74,580.44 and 20,152.06 is: 30,234.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,709.36 : 74,580.44 = 20,152.06 : x
  2. Step 2: Convert to fraction form
    49,709.36/74,580.44 = 20,152.06/x
  3. Step 3: Cross multiply
    49,709.36x = 74,580.44 × 20,152.06
  4. Step 4: Simplify right side
    49,709.36x = 1,502,949,501.71
  5. Step 5: Solve for x
    x = 1,502,949,501.71/49,709.36
  6. Step 6: Final answer
    x = 30,234.74

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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.