Home / 76,320.20-105,308.30-46,085.27

Finding the Fourth Proportional to 76,320.20, 105,308.30 and 46,085.27

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Solution

The fourth proportional to 76,320.20, 105,308.30 and 46,085.27 is: 63,589.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,320.20 : 105,308.30 = 46,085.27 : x
  2. Step 2: Convert to fraction form
    76,320.20/105,308.30 = 46,085.27/x
  3. Step 3: Cross multiply
    76,320.20x = 105,308.30 × 46,085.27
  4. Step 4: Simplify right side
    76,320.20x = 4,853,161,027.41
  5. Step 5: Solve for x
    x = 4,853,161,027.41/76,320.20
  6. Step 6: Final answer
    x = 63,589.47

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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.