Home / 48,905.90-73,128.45-36,464.30

Finding the Fourth Proportional to 48,905.90, 73,128.45 and 36,464.30

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Solution

The fourth proportional to 48,905.90, 73,128.45 and 36,464.30 is: 54,524.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,905.90 : 73,128.45 = 36,464.30 : x
  2. Step 2: Convert to fraction form
    48,905.90/73,128.45 = 36,464.30/x
  3. Step 3: Cross multiply
    48,905.90x = 73,128.45 × 36,464.30
  4. Step 4: Simplify right side
    48,905.90x = 2,666,577,739.34
  5. Step 5: Solve for x
    x = 2,666,577,739.34/48,905.90
  6. Step 6: Final answer
    x = 54,524.66

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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.