Home / 89,151.18-133,733.37-29,986.62

Finding the Fourth Proportional to 89,151.18, 133,733.37 and 29,986.62

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Solution

The fourth proportional to 89,151.18, 133,733.37 and 29,986.62 is: 44,982.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,151.18 : 133,733.37 = 29,986.62 : x
  2. Step 2: Convert to fraction form
    89,151.18/133,733.37 = 29,986.62/x
  3. Step 3: Cross multiply
    89,151.18x = 133,733.37 × 29,986.62
  4. Step 4: Simplify right side
    89,151.18x = 4,010,211,747.51
  5. Step 5: Solve for x
    x = 4,010,211,747.51/89,151.18
  6. Step 6: Final answer
    x = 44,982.15

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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.