Home / 75,545.76-113,221.48-31,203.64

Finding the Fourth Proportional to 75,545.76, 113,221.48 and 31,203.64

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Solution

The fourth proportional to 75,545.76, 113,221.48 and 31,203.64 is: 46,765.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,545.76 : 113,221.48 = 31,203.64 : x
  2. Step 2: Convert to fraction form
    75,545.76/113,221.48 = 31,203.64/x
  3. Step 3: Cross multiply
    75,545.76x = 113,221.48 × 31,203.64
  4. Step 4: Simplify right side
    75,545.76x = 3,532,922,302.19
  5. Step 5: Solve for x
    x = 3,532,922,302.19/75,545.76
  6. Step 6: Final answer
    x = 46,765.33

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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.