Home / 57,153.33-85,671.54-40,473.81

Finding the Fourth Proportional to 57,153.33, 85,671.54 and 40,473.81

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Solution

The fourth proportional to 57,153.33, 85,671.54 and 40,473.81 is: 60,669.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,153.33 : 85,671.54 = 40,473.81 : x
  2. Step 2: Convert to fraction form
    57,153.33/85,671.54 = 40,473.81/x
  3. Step 3: Cross multiply
    57,153.33x = 85,671.54 × 40,473.81
  4. Step 4: Simplify right side
    57,153.33x = 3,467,453,632.37
  5. Step 5: Solve for x
    x = 3,467,453,632.37/57,153.33
  6. Step 6: Final answer
    x = 60,669.32

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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.