Home / 89,005.68-122,831.22-50,771.45

Finding the Fourth Proportional to 89,005.68, 122,831.22 and 50,771.45

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Solution

The fourth proportional to 89,005.68, 122,831.22 and 50,771.45 is: 70,066.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,005.68 : 122,831.22 = 50,771.45 : x
  2. Step 2: Convert to fraction form
    89,005.68/122,831.22 = 50,771.45/x
  3. Step 3: Cross multiply
    89,005.68x = 122,831.22 × 50,771.45
  4. Step 4: Simplify right side
    89,005.68x = 6,236,319,144.67
  5. Step 5: Solve for x
    x = 6,236,319,144.67/89,005.68
  6. Step 6: Final answer
    x = 70,066.53

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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.