Home / 53,908.56-80,878.44-22,312.78

Finding the Fourth Proportional to 53,908.56, 80,878.44 and 22,312.78

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Solution

The fourth proportional to 53,908.56, 80,878.44 and 22,312.78 is: 33,475.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,908.56 : 80,878.44 = 22,312.78 : x
  2. Step 2: Convert to fraction form
    53,908.56/80,878.44 = 22,312.78/x
  3. Step 3: Cross multiply
    53,908.56x = 80,878.44 × 22,312.78
  4. Step 4: Simplify right side
    53,908.56x = 1,804,622,838.46
  5. Step 5: Solve for x
    x = 1,804,622,838.46/53,908.56
  6. Step 6: Final answer
    x = 33,475.63

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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.