Home / 89,555.56-123,586.48-49,269.22

Finding the Fourth Proportional to 89,555.56, 123,586.48 and 49,269.22

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Solution

The fourth proportional to 89,555.56, 123,586.48 and 49,269.22 is: 67,991.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,555.56 : 123,586.48 = 49,269.22 : x
  2. Step 2: Convert to fraction form
    89,555.56/123,586.48 = 49,269.22/x
  3. Step 3: Cross multiply
    89,555.56x = 123,586.48 × 49,269.22
  4. Step 4: Simplify right side
    89,555.56x = 6,089,009,688.22
  5. Step 5: Solve for x
    x = 6,089,009,688.22/89,555.56
  6. Step 6: Final answer
    x = 67,991.42

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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.