Home / 68,426.64-94,444.47-40,141.44

Finding the Fourth Proportional to 68,426.64, 94,444.47 and 40,141.44

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Solution

The fourth proportional to 68,426.64, 94,444.47 and 40,141.44 is: 55,404.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,426.64 : 94,444.47 = 40,141.44 : x
  2. Step 2: Convert to fraction form
    68,426.64/94,444.47 = 40,141.44/x
  3. Step 3: Cross multiply
    68,426.64x = 94,444.47 × 40,141.44
  4. Step 4: Simplify right side
    68,426.64x = 3,791,137,025.84
  5. Step 5: Solve for x
    x = 3,791,137,025.84/68,426.64
  6. Step 6: Final answer
    x = 55,404.40

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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.