Home / 74,961.95-103,447.25-40,970.44

Finding the Fourth Proportional to 74,961.95, 103,447.25 and 40,970.44

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Solution

The fourth proportional to 74,961.95, 103,447.25 and 40,970.44 is: 56,539.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,961.95 : 103,447.25 = 40,970.44 : x
  2. Step 2: Convert to fraction form
    74,961.95/103,447.25 = 40,970.44/x
  3. Step 3: Cross multiply
    74,961.95x = 103,447.25 × 40,970.44
  4. Step 4: Simplify right side
    74,961.95x = 4,238,278,729.63
  5. Step 5: Solve for x
    x = 4,238,278,729.63/74,961.95
  6. Step 6: Final answer
    x = 56,539.07

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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.