Home / 73,512.40-110,116.32-38,345.44

Finding the Fourth Proportional to 73,512.40, 110,116.32 and 38,345.44

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Solution

The fourth proportional to 73,512.40, 110,116.32 and 38,345.44 is: 57,438.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,512.40 : 110,116.32 = 38,345.44 : x
  2. Step 2: Convert to fraction form
    73,512.40/110,116.32 = 38,345.44/x
  3. Step 3: Cross multiply
    73,512.40x = 110,116.32 × 38,345.44
  4. Step 4: Simplify right side
    73,512.40x = 4,222,458,741.58
  5. Step 5: Solve for x
    x = 4,222,458,741.58/73,512.40
  6. Step 6: Final answer
    x = 57,438.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.