Home / 48,749.22-73,123.49-13,688.91

Finding the Fourth Proportional to 48,749.22, 73,123.49 and 13,688.91

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Solution

The fourth proportional to 48,749.22, 73,123.49 and 13,688.91 is: 20,533.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,749.22 : 73,123.49 = 13,688.91 : x
  2. Step 2: Convert to fraction form
    48,749.22/73,123.49 = 13,688.91/x
  3. Step 3: Cross multiply
    48,749.22x = 73,123.49 × 13,688.91
  4. Step 4: Simplify right side
    48,749.22x = 1,000,980,805.05
  5. Step 5: Solve for x
    x = 1,000,980,805.05/48,749.22
  6. Step 6: Final answer
    x = 20,533.27

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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.