Home / 48,774.64-73,128.35-19,195.87

Finding the Fourth Proportional to 48,774.64, 73,128.35 and 19,195.87

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Solution

The fourth proportional to 48,774.64, 73,128.35 and 19,195.87 is: 28,780.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,774.64 : 73,128.35 = 19,195.87 : x
  2. Step 2: Convert to fraction form
    48,774.64/73,128.35 = 19,195.87/x
  3. Step 3: Cross multiply
    48,774.64x = 73,128.35 × 19,195.87
  4. Step 4: Simplify right side
    48,774.64x = 1,403,762,203.94
  5. Step 5: Solve for x
    x = 1,403,762,203.94/48,774.64
  6. Step 6: Final answer
    x = 28,780.58

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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.