Home / 89,066.86-122,912.47-48,231.45

Finding the Fourth Proportional to 89,066.86, 122,912.47 and 48,231.45

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Solution

The fourth proportional to 89,066.86, 122,912.47 and 48,231.45 is: 66,559.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,066.86 : 122,912.47 = 48,231.45 : x
  2. Step 2: Convert to fraction form
    89,066.86/122,912.47 = 48,231.45/x
  3. Step 3: Cross multiply
    89,066.86x = 122,912.47 × 48,231.45
  4. Step 4: Simplify right side
    89,066.86x = 5,928,246,711.47
  5. Step 5: Solve for x
    x = 5,928,246,711.47/89,066.86
  6. Step 6: Final answer
    x = 66,559.51

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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.