Home / 57,999.15-86,956.16-18,533.52

Finding the Fourth Proportional to 57,999.15, 86,956.16 and 18,533.52

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Solution

The fourth proportional to 57,999.15, 86,956.16 and 18,533.52 is: 27,786.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,999.15 : 86,956.16 = 18,533.52 : x
  2. Step 2: Convert to fraction form
    57,999.15/86,956.16 = 18,533.52/x
  3. Step 3: Cross multiply
    57,999.15x = 86,956.16 × 18,533.52
  4. Step 4: Simplify right side
    57,999.15x = 1,611,603,637.82
  5. Step 5: Solve for x
    x = 1,611,603,637.82/57,999.15
  6. Step 6: Final answer
    x = 27,786.68

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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.