Home / 75,357.16-103,992.54-41,365.72

Finding the Fourth Proportional to 75,357.16, 103,992.54 and 41,365.72

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Solution

The fourth proportional to 75,357.16, 103,992.54 and 41,365.72 is: 57,084.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,357.16 : 103,992.54 = 41,365.72 : x
  2. Step 2: Convert to fraction form
    75,357.16/103,992.54 = 41,365.72/x
  3. Step 3: Cross multiply
    75,357.16x = 103,992.54 × 41,365.72
  4. Step 4: Simplify right side
    75,357.16x = 4,301,726,291.73
  5. Step 5: Solve for x
    x = 4,301,726,291.73/75,357.16
  6. Step 6: Final answer
    x = 57,084.51

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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.