Home / 89,400.27-133,942.77-47,187.36

Finding the Fourth Proportional to 89,400.27, 133,942.77 and 47,187.36

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Solution

The fourth proportional to 89,400.27, 133,942.77 and 47,187.36 is: 70,697.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,400.27 : 133,942.77 = 47,187.36 : x
  2. Step 2: Convert to fraction form
    89,400.27/133,942.77 = 47,187.36/x
  3. Step 3: Cross multiply
    89,400.27x = 133,942.77 × 47,187.36
  4. Step 4: Simplify right side
    89,400.27x = 6,320,405,707.39
  5. Step 5: Solve for x
    x = 6,320,405,707.39/89,400.27
  6. Step 6: Final answer
    x = 70,697.84

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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.