Home / 74,788.43-103,209.98-40,797.49

Finding the Fourth Proportional to 74,788.43, 103,209.98 and 40,797.49

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Solution

The fourth proportional to 74,788.43, 103,209.98 and 40,797.49 is: 56,301.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,788.43 : 103,209.98 = 40,797.49 : x
  2. Step 2: Convert to fraction form
    74,788.43/103,209.98 = 40,797.49/x
  3. Step 3: Cross multiply
    74,788.43x = 103,209.98 × 40,797.49
  4. Step 4: Simplify right side
    74,788.43x = 4,210,708,126.95
  5. Step 5: Solve for x
    x = 4,210,708,126.95/74,788.43
  6. Step 6: Final answer
    x = 56,301.60

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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.