Home / 89,297.06-123,220.96-53,486.15

Finding the Fourth Proportional to 89,297.06, 123,220.96 and 53,486.15

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Solution

The fourth proportional to 89,297.06, 123,220.96 and 53,486.15 is: 73,805.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,297.06 : 123,220.96 = 53,486.15 : x
  2. Step 2: Convert to fraction form
    89,297.06/123,220.96 = 53,486.15/x
  3. Step 3: Cross multiply
    89,297.06x = 123,220.96 × 53,486.15
  4. Step 4: Simplify right side
    89,297.06x = 6,590,613,999.88
  5. Step 5: Solve for x
    x = 6,590,613,999.88/89,297.06
  6. Step 6: Final answer
    x = 73,805.50

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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.