Home / 64,845.96-89,561.22-43,588.32

Finding the Fourth Proportional to 64,845.96, 89,561.22 and 43,588.32

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Solution

The fourth proportional to 64,845.96, 89,561.22 and 43,588.32 is: 60,201.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,845.96 : 89,561.22 = 43,588.32 : x
  2. Step 2: Convert to fraction form
    64,845.96/89,561.22 = 43,588.32/x
  3. Step 3: Cross multiply
    64,845.96x = 89,561.22 × 43,588.32
  4. Step 4: Simplify right side
    64,845.96x = 3,903,823,116.95
  5. Step 5: Solve for x
    x = 3,903,823,116.95/64,845.96
  6. Step 6: Final answer
    x = 60,201.49

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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.