Home / 68,385.87-94,372.59-38,171.16

Finding the Fourth Proportional to 68,385.87, 94,372.59 and 38,171.16

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Solution

The fourth proportional to 68,385.87, 94,372.59 and 38,171.16 is: 52,676.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,385.87 : 94,372.59 = 38,171.16 : x
  2. Step 2: Convert to fraction form
    68,385.87/94,372.59 = 38,171.16/x
  3. Step 3: Cross multiply
    68,385.87x = 94,372.59 × 38,171.16
  4. Step 4: Simplify right side
    68,385.87x = 3,602,311,232.50
  5. Step 5: Solve for x
    x = 3,602,311,232.50/68,385.87
  6. Step 6: Final answer
    x = 52,676.25

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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.