Home / 90,566.73-124,938.68-63,724.05

Finding the Fourth Proportional to 90,566.73, 124,938.68 and 63,724.05

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Solution

The fourth proportional to 90,566.73, 124,938.68 and 63,724.05 is: 87,908.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,566.73 : 124,938.68 = 63,724.05 : x
  2. Step 2: Convert to fraction form
    90,566.73/124,938.68 = 63,724.05/x
  3. Step 3: Cross multiply
    90,566.73x = 124,938.68 × 63,724.05
  4. Step 4: Simplify right side
    90,566.73x = 7,961,598,372.63
  5. Step 5: Solve for x
    x = 7,961,598,372.63/90,566.73
  6. Step 6: Final answer
    x = 87,908.64

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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.