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Finding the Fourth Proportional to 68,600.74, 102,901.11 and 45,221.71

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Solution

The fourth proportional to 68,600.74, 102,901.11 and 45,221.71 is: 67,832.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,600.74 : 102,901.11 = 45,221.71 : x
  2. Step 2: Convert to fraction form
    68,600.74/102,901.11 = 45,221.71/x
  3. Step 3: Cross multiply
    68,600.74x = 102,901.11 × 45,221.71
  4. Step 4: Simplify right side
    68,600.74x = 4,653,364,155.10
  5. Step 5: Solve for x
    x = 4,653,364,155.10/68,600.74
  6. Step 6: Final answer
    x = 67,832.57

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1.5x scale

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.