Home / 53,856.48-80,789.04-18,795.36

Finding the Fourth Proportional to 53,856.48, 80,789.04 and 18,795.36

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Solution

The fourth proportional to 53,856.48, 80,789.04 and 18,795.36 is: 28,194.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,856.48 : 80,789.04 = 18,795.36 : x
  2. Step 2: Convert to fraction form
    53,856.48/80,789.04 = 18,795.36/x
  3. Step 3: Cross multiply
    53,856.48x = 80,789.04 × 18,795.36
  4. Step 4: Simplify right side
    53,856.48x = 1,518,459,090.85
  5. Step 5: Solve for x
    x = 1,518,459,090.85/53,856.48
  6. Step 6: Final answer
    x = 28,194.55

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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.