Home / 53,385.12-80,059.50-17,838.54

Finding the Fourth Proportional to 53,385.12, 80,059.50 and 17,838.54

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Solution

The fourth proportional to 53,385.12, 80,059.50 and 17,838.54 is: 26,751.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,385.12 : 80,059.50 = 17,838.54 : x
  2. Step 2: Convert to fraction form
    53,385.12/80,059.50 = 17,838.54/x
  3. Step 3: Cross multiply
    53,385.12x = 80,059.50 × 17,838.54
  4. Step 4: Simplify right side
    53,385.12x = 1,428,144,593.13
  5. Step 5: Solve for x
    x = 1,428,144,593.13/53,385.12
  6. Step 6: Final answer
    x = 26,751.74

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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.