Home / 68,188.37-94,073.40-42,684.30

Finding the Fourth Proportional to 68,188.37, 94,073.40 and 42,684.30

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Solution

The fourth proportional to 68,188.37, 94,073.40 and 42,684.30 is: 58,887.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,188.37 : 94,073.40 = 42,684.30 : x
  2. Step 2: Convert to fraction form
    68,188.37/94,073.40 = 42,684.30/x
  3. Step 3: Cross multiply
    68,188.37x = 94,073.40 × 42,684.30
  4. Step 4: Simplify right side
    68,188.37x = 4,015,457,227.62
  5. Step 5: Solve for x
    x = 4,015,457,227.62/68,188.37
  6. Step 6: Final answer
    x = 58,887.72

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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.