Home / 74,837.25-112,308.62-67,690.94

Finding the Fourth Proportional to 74,837.25, 112,308.62 and 67,690.94

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Solution

The fourth proportional to 74,837.25, 112,308.62 and 67,690.94 is: 101,584.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,837.25 : 112,308.62 = 67,690.94 : x
  2. Step 2: Convert to fraction form
    74,837.25/112,308.62 = 67,690.94/x
  3. Step 3: Cross multiply
    74,837.25x = 112,308.62 × 67,690.94
  4. Step 4: Simplify right side
    74,837.25x = 7,602,275,157.91
  5. Step 5: Solve for x
    x = 7,602,275,157.91/74,837.25
  6. Step 6: Final answer
    x = 101,584.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.