Home / 56,913.40-85,370.10-36,228.60

Finding the Fourth Proportional to 56,913.40, 85,370.10 and 36,228.60

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Solution

The fourth proportional to 56,913.40, 85,370.10 and 36,228.60 is: 54,342.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,913.40 : 85,370.10 = 36,228.60 : x
  2. Step 2: Convert to fraction form
    56,913.40/85,370.10 = 36,228.60/x
  3. Step 3: Cross multiply
    56,913.40x = 85,370.10 × 36,228.60
  4. Step 4: Simplify right side
    56,913.40x = 3,092,839,204.86
  5. Step 5: Solve for x
    x = 3,092,839,204.86/56,913.40
  6. Step 6: Final answer
    x = 54,342.90

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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.