Home / 68,420.25-94,419.02-38,206.09

Finding the Fourth Proportional to 68,420.25, 94,419.02 and 38,206.09

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Solution

The fourth proportional to 68,420.25, 94,419.02 and 38,206.09 is: 52,723.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,420.25 : 94,419.02 = 38,206.09 : x
  2. Step 2: Convert to fraction form
    68,420.25/94,419.02 = 38,206.09/x
  3. Step 3: Cross multiply
    68,420.25x = 94,419.02 × 38,206.09
  4. Step 4: Simplify right side
    68,420.25x = 3,607,381,435.30
  5. Step 5: Solve for x
    x = 3,607,381,435.30/68,420.25
  6. Step 6: Final answer
    x = 52,723.89

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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.