Home / 76,581.45-105,686.51-44,768.97

Finding the Fourth Proportional to 76,581.45, 105,686.51 and 44,768.97

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Solution

The fourth proportional to 76,581.45, 105,686.51 and 44,768.97 is: 61,783.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,581.45 : 105,686.51 = 44,768.97 : x
  2. Step 2: Convert to fraction form
    76,581.45/105,686.51 = 44,768.97/x
  3. Step 3: Cross multiply
    76,581.45x = 105,686.51 × 44,768.97
  4. Step 4: Simplify right side
    76,581.45x = 4,731,475,971.75
  5. Step 5: Solve for x
    x = 4,731,475,971.75/76,581.45
  6. Step 6: Final answer
    x = 61,783.58

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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.