Home / 74,944.44-103,422.08-40,952.20

Finding the Fourth Proportional to 74,944.44, 103,422.08 and 40,952.20

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Solution

The fourth proportional to 74,944.44, 103,422.08 and 40,952.20 is: 56,513.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,944.44 : 103,422.08 = 40,952.20 : x
  2. Step 2: Convert to fraction form
    74,944.44/103,422.08 = 40,952.20/x
  3. Step 3: Cross multiply
    74,944.44x = 103,422.08 × 40,952.20
  4. Step 4: Simplify right side
    74,944.44x = 4,235,361,742.32
  5. Step 5: Solve for x
    x = 4,235,361,742.32/74,944.44
  6. Step 6: Final answer
    x = 56,513.35

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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.