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Finding the Fourth Proportional to 68,600.71, 94,638.94 and 40,293.64

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Solution

The fourth proportional to 68,600.71, 94,638.94 and 40,293.64 is: 55,587.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,600.71 : 94,638.94 = 40,293.64 : x
  2. Step 2: Convert to fraction form
    68,600.71/94,638.94 = 40,293.64/x
  3. Step 3: Cross multiply
    68,600.71x = 94,638.94 × 40,293.64
  4. Step 4: Simplify right side
    68,600.71x = 3,813,347,378.34
  5. Step 5: Solve for x
    x = 3,813,347,378.34/68,600.71
  6. Step 6: Final answer
    x = 55,587.58

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1.5x scale

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.