Home / 76,789.32-105,971.43-44,959.56

Finding the Fourth Proportional to 76,789.32, 105,971.43 and 44,959.56

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Solution

The fourth proportional to 76,789.32, 105,971.43 and 44,959.56 is: 62,045.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,789.32 : 105,971.43 = 44,959.56 : x
  2. Step 2: Convert to fraction form
    76,789.32/105,971.43 = 44,959.56/x
  3. Step 3: Cross multiply
    76,789.32x = 105,971.43 × 44,959.56
  4. Step 4: Simplify right side
    76,789.32x = 4,764,428,865.37
  5. Step 5: Solve for x
    x = 4,764,428,865.37/76,789.32
  6. Step 6: Final answer
    x = 62,045.46

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1.5x scale

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.