Home / 74,839.77-103,281.03-40,850.37

Finding the Fourth Proportional to 74,839.77, 103,281.03 and 40,850.37

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Solution

The fourth proportional to 74,839.77, 103,281.03 and 40,850.37 is: 56,374.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,839.77 : 103,281.03 = 40,850.37 : x
  2. Step 2: Convert to fraction form
    74,839.77/103,281.03 = 40,850.37/x
  3. Step 3: Cross multiply
    74,839.77x = 103,281.03 × 40,850.37
  4. Step 4: Simplify right side
    74,839.77x = 4,219,068,289.48
  5. Step 5: Solve for x
    x = 4,219,068,289.48/74,839.77
  6. Step 6: Final answer
    x = 56,374.68

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1.5x scale

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.