Home / 75,096.01-103,632.22-40,640.67

Finding the Fourth Proportional to 75,096.01, 103,632.22 and 40,640.67

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Solution

The fourth proportional to 75,096.01, 103,632.22 and 40,640.67 is: 56,083.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,096.01 : 103,632.22 = 40,640.67 : x
  2. Step 2: Convert to fraction form
    75,096.01/103,632.22 = 40,640.67/x
  3. Step 3: Cross multiply
    75,096.01x = 103,632.22 × 40,640.67
  4. Step 4: Simplify right side
    75,096.01x = 4,211,682,854.39
  5. Step 5: Solve for x
    x = 4,211,682,854.39/75,096.01
  6. Step 6: Final answer
    x = 56,083.98

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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.