Home / 48,973.16-73,487.44-20,890.56

Finding the Fourth Proportional to 48,973.16, 73,487.44 and 20,890.56

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Solution

The fourth proportional to 48,973.16, 73,487.44 and 20,890.56 is: 31,347.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,973.16 : 73,487.44 = 20,890.56 : x
  2. Step 2: Convert to fraction form
    48,973.16/73,487.44 = 20,890.56/x
  3. Step 3: Cross multiply
    48,973.16x = 73,487.44 × 20,890.56
  4. Step 4: Simplify right side
    48,973.16x = 1,535,193,774.57
  5. Step 5: Solve for x
    x = 1,535,193,774.57/48,973.16
  6. Step 6: Final answer
    x = 31,347.66

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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.