Home / 74,100.25-102,258.35-40,566.25

Finding the Fourth Proportional to 74,100.25, 102,258.35 and 40,566.25

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Solution

The fourth proportional to 74,100.25, 102,258.35 and 40,566.25 is: 55,981.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,100.25 : 102,258.35 = 40,566.25 : x
  2. Step 2: Convert to fraction form
    74,100.25/102,258.35 = 40,566.25/x
  3. Step 3: Cross multiply
    74,100.25x = 102,258.35 × 40,566.25
  4. Step 4: Simplify right side
    74,100.25x = 4,148,237,790.69
  5. Step 5: Solve for x
    x = 4,148,237,790.69/74,100.25
  6. Step 6: Final answer
    x = 55,981.43

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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.