Home / 56,898.12-78,485.52-36,766.82

Finding the Fourth Proportional to 56,898.12, 78,485.52 and 36,766.82

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Solution

The fourth proportional to 56,898.12, 78,485.52 and 36,766.82 is: 50,716.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,898.12 : 78,485.52 = 36,766.82 : x
  2. Step 2: Convert to fraction form
    56,898.12/78,485.52 = 36,766.82/x
  3. Step 3: Cross multiply
    56,898.12x = 78,485.52 × 36,766.82
  4. Step 4: Simplify right side
    56,898.12x = 2,885,662,986.45
  5. Step 5: Solve for x
    x = 2,885,662,986.45/56,898.12
  6. Step 6: Final answer
    x = 50,716.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.