Home / 56,669.40-85,004.10-50,448.60

Finding the Fourth Proportional to 56,669.40, 85,004.10 and 50,448.60

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Solution

The fourth proportional to 56,669.40, 85,004.10 and 50,448.60 is: 75,672.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,669.40 : 85,004.10 = 50,448.60 : x
  2. Step 2: Convert to fraction form
    56,669.40/85,004.10 = 50,448.60/x
  3. Step 3: Cross multiply
    56,669.40x = 85,004.10 × 50,448.60
  4. Step 4: Simplify right side
    56,669.40x = 4,288,337,839.26
  5. Step 5: Solve for x
    x = 4,288,337,839.26/56,669.40
  6. Step 6: Final answer
    x = 75,672.90

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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.