Home / 74,918.02-103,390-43,086.94

Finding the Fourth Proportional to 74,918.02, 103,390 and 43,086.94

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Solution

The fourth proportional to 74,918.02, 103,390 and 43,086.94 is: 59,461.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,918.02 : 103,390 = 43,086.94 : x
  2. Step 2: Convert to fraction form
    74,918.02/103,390 = 43,086.94/x
  3. Step 3: Cross multiply
    74,918.02x = 103,390 × 43,086.94
  4. Step 4: Simplify right side
    74,918.02x = 4,454,758,726.60
  5. Step 5: Solve for x
    x = 4,454,758,726.60/74,918.02
  6. Step 6: Final answer
    x = 59,461.78

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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.