Home / 68,616.68-102,818.76-47,597.60

Finding the Fourth Proportional to 68,616.68, 102,818.76 and 47,597.60

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Solution

The fourth proportional to 68,616.68, 102,818.76 and 47,597.60 is: 71,322.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,616.68 : 102,818.76 = 47,597.60 : x
  2. Step 2: Convert to fraction form
    68,616.68/102,818.76 = 47,597.60/x
  3. Step 3: Cross multiply
    68,616.68x = 102,818.76 × 47,597.60
  4. Step 4: Simplify right side
    68,616.68x = 4,893,926,210.98
  5. Step 5: Solve for x
    x = 4,893,926,210.98/68,616.68
  6. Step 6: Final answer
    x = 71,322.69

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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.