Home / 56,935.40-85,403.10-56,060.60

Finding the Fourth Proportional to 56,935.40, 85,403.10 and 56,060.60

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Solution

The fourth proportional to 56,935.40, 85,403.10 and 56,060.60 is: 84,090.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,935.40 : 85,403.10 = 56,060.60 : x
  2. Step 2: Convert to fraction form
    56,935.40/85,403.10 = 56,060.60/x
  3. Step 3: Cross multiply
    56,935.40x = 85,403.10 × 56,060.60
  4. Step 4: Simplify right side
    56,935.40x = 4,787,749,027.86
  5. Step 5: Solve for x
    x = 4,787,749,027.86/56,935.40
  6. Step 6: Final answer
    x = 84,090.90

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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.