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Finding the Fourth Proportional to 68,776.56, 94,953.06 and 44,943.12

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Solution

The fourth proportional to 68,776.56, 94,953.06 and 44,943.12 is: 62,048.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,776.56 : 94,953.06 = 44,943.12 : x
  2. Step 2: Convert to fraction form
    68,776.56/94,953.06 = 44,943.12/x
  3. Step 3: Cross multiply
    68,776.56x = 94,953.06 × 44,943.12
  4. Step 4: Simplify right side
    68,776.56x = 4,267,486,769.95
  5. Step 5: Solve for x
    x = 4,267,486,769.95/68,776.56
  6. Step 6: Final answer
    x = 62,048.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.