Home / 74,865.39-103,314.30-41,331.39

Finding the Fourth Proportional to 74,865.39, 103,314.30 and 41,331.39

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Solution

The fourth proportional to 74,865.39, 103,314.30 and 41,331.39 is: 57,037.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,865.39 : 103,314.30 = 41,331.39 : x
  2. Step 2: Convert to fraction form
    74,865.39/103,314.30 = 41,331.39/x
  3. Step 3: Cross multiply
    74,865.39x = 103,314.30 × 41,331.39
  4. Step 4: Simplify right side
    74,865.39x = 4,270,123,625.88
  5. Step 5: Solve for x
    x = 4,270,123,625.88/74,865.39
  6. Step 6: Final answer
    x = 57,037.35

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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.