Home / 75,277.44-103,881.60-41,742.72

Finding the Fourth Proportional to 75,277.44, 103,881.60 and 41,742.72

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Solution

The fourth proportional to 75,277.44, 103,881.60 and 41,742.72 is: 57,604.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,277.44 : 103,881.60 = 41,742.72 : x
  2. Step 2: Convert to fraction form
    75,277.44/103,881.60 = 41,742.72/x
  3. Step 3: Cross multiply
    75,277.44x = 103,881.60 × 41,742.72
  4. Step 4: Simplify right side
    75,277.44x = 4,336,300,541.95
  5. Step 5: Solve for x
    x = 4,336,300,541.95/75,277.44
  6. Step 6: Final answer
    x = 57,604.25

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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.