Home / 89,188.05-133,782.08-36,570.45

Finding the Fourth Proportional to 89,188.05, 133,782.08 and 36,570.45

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Solution

The fourth proportional to 89,188.05, 133,782.08 and 36,570.45 is: 54,855.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,188.05 : 133,782.08 = 36,570.45 : x
  2. Step 2: Convert to fraction form
    89,188.05/133,782.08 = 36,570.45/x
  3. Step 3: Cross multiply
    89,188.05x = 133,782.08 × 36,570.45
  4. Step 4: Simplify right side
    89,188.05x = 4,892,470,684.68
  5. Step 5: Solve for x
    x = 4,892,470,684.68/89,188.05
  6. Step 6: Final answer
    x = 54,855.68

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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.