Home / 74,897.49-103,359.31-40,906.95

Finding the Fourth Proportional to 74,897.49, 103,359.31 and 40,906.95

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Solution

The fourth proportional to 74,897.49, 103,359.31 and 40,906.95 is: 56,452.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,897.49 : 103,359.31 = 40,906.95 : x
  2. Step 2: Convert to fraction form
    74,897.49/103,359.31 = 40,906.95/x
  3. Step 3: Cross multiply
    74,897.49x = 103,359.31 × 40,906.95
  4. Step 4: Simplify right side
    74,897.49x = 4,228,114,126.20
  5. Step 5: Solve for x
    x = 4,228,114,126.20/74,897.49
  6. Step 6: Final answer
    x = 56,452.01

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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.