Home / 56,921.60-85,382.36-15,368.56

Finding the Fourth Proportional to 56,921.60, 85,382.36 and 15,368.56

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Solution

The fourth proportional to 56,921.60, 85,382.36 and 15,368.56 is: 23,052.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,921.60 : 85,382.36 = 15,368.56 : x
  2. Step 2: Convert to fraction form
    56,921.60/85,382.36 = 15,368.56/x
  3. Step 3: Cross multiply
    56,921.60x = 85,382.36 × 15,368.56
  4. Step 4: Simplify right side
    56,921.60x = 1,312,203,922.60
  5. Step 5: Solve for x
    x = 1,312,203,922.60/56,921.60
  6. Step 6: Final answer
    x = 23,052.83

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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.