Home / 68,220.90-94,146.71-42,724.88

Finding the Fourth Proportional to 68,220.90, 94,146.71 and 42,724.88

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Solution

The fourth proportional to 68,220.90, 94,146.71 and 42,724.88 is: 58,961.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,220.90 : 94,146.71 = 42,724.88 : x
  2. Step 2: Convert to fraction form
    68,220.90/94,146.71 = 42,724.88/x
  3. Step 3: Cross multiply
    68,220.90x = 94,146.71 × 42,724.88
  4. Step 4: Simplify right side
    68,220.90x = 4,022,406,887.14
  5. Step 5: Solve for x
    x = 4,022,406,887.14/68,220.90
  6. Step 6: Final answer
    x = 58,961.50

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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.