Home / 68,228.43-94,154.60-38,013.21

Finding the Fourth Proportional to 68,228.43, 94,154.60 and 38,013.21

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Solution

The fourth proportional to 68,228.43, 94,154.60 and 38,013.21 is: 52,457.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,228.43 : 94,154.60 = 38,013.21 : x
  2. Step 2: Convert to fraction form
    68,228.43/94,154.60 = 38,013.21/x
  3. Step 3: Cross multiply
    68,228.43x = 94,154.60 × 38,013.21
  4. Step 4: Simplify right side
    68,228.43x = 3,579,118,392.20
  5. Step 5: Solve for x
    x = 3,579,118,392.20/68,228.43
  6. Step 6: Final answer
    x = 52,457.87

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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.