Home / 56,921.40-85,452.30-35,861.40

Finding the Fourth Proportional to 56,921.40, 85,452.30 and 35,861.40

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Solution

The fourth proportional to 56,921.40, 85,452.30 and 35,861.40 is: 53,836.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,921.40 : 85,452.30 = 35,861.40 : x
  2. Step 2: Convert to fraction form
    56,921.40/85,452.30 = 35,861.40/x
  3. Step 3: Cross multiply
    56,921.40x = 85,452.30 × 35,861.40
  4. Step 4: Simplify right side
    56,921.40x = 3,064,439,111.22
  5. Step 5: Solve for x
    x = 3,064,439,111.22/56,921.40
  6. Step 6: Final answer
    x = 53,836.33

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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.