Home / 49,113.80-73,670.70-28,032.20

Finding the Fourth Proportional to 49,113.80, 73,670.70 and 28,032.20

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Solution

The fourth proportional to 49,113.80, 73,670.70 and 28,032.20 is: 42,048.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,113.80 : 73,670.70 = 28,032.20 : x
  2. Step 2: Convert to fraction form
    49,113.80/73,670.70 = 28,032.20/x
  3. Step 3: Cross multiply
    49,113.80x = 73,670.70 × 28,032.20
  4. Step 4: Simplify right side
    49,113.80x = 2,065,151,796.54
  5. Step 5: Solve for x
    x = 2,065,151,796.54/49,113.80
  6. Step 6: Final answer
    x = 42,048.30

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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.