Home / 99,403.84-149,074.17-32,831.56

Finding the Fourth Proportional to 99,403.84, 149,074.17 and 32,831.56

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Solution

The fourth proportional to 99,403.84, 149,074.17 and 32,831.56 is: 49,236.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,403.84 : 149,074.17 = 32,831.56 : x
  2. Step 2: Convert to fraction form
    99,403.84/149,074.17 = 32,831.56/x
  3. Step 3: Cross multiply
    99,403.84x = 149,074.17 × 32,831.56
  4. Step 4: Simplify right side
    99,403.84x = 4,894,337,556.81
  5. Step 5: Solve for x
    x = 4,894,337,556.81/99,403.84
  6. Step 6: Final answer
    x = 49,236.91

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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.