Home / 53,415.54-80,117.19-13,976.46

Finding the Fourth Proportional to 53,415.54, 80,117.19 and 13,976.46

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Solution

The fourth proportional to 53,415.54, 80,117.19 and 13,976.46 is: 20,963.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,415.54 : 80,117.19 = 13,976.46 : x
  2. Step 2: Convert to fraction form
    53,415.54/80,117.19 = 13,976.46/x
  3. Step 3: Cross multiply
    53,415.54x = 80,117.19 × 13,976.46
  4. Step 4: Simplify right side
    53,415.54x = 1,119,754,701.35
  5. Step 5: Solve for x
    x = 1,119,754,701.35/53,415.54
  6. Step 6: Final answer
    x = 20,963.09

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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.