Home / 76,370.10-105,418.73-46,156.56

Finding the Fourth Proportional to 76,370.10, 105,418.73 and 46,156.56

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Solution

The fourth proportional to 76,370.10, 105,418.73 and 46,156.56 is: 63,712.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,370.10 : 105,418.73 = 46,156.56 : x
  2. Step 2: Convert to fraction form
    76,370.10/105,418.73 = 46,156.56/x
  3. Step 3: Cross multiply
    76,370.10x = 105,418.73 × 46,156.56
  4. Step 4: Simplify right side
    76,370.10x = 4,865,765,705.59
  5. Step 5: Solve for x
    x = 4,865,765,705.59/76,370.10
  6. Step 6: Final answer
    x = 63,712.97

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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.