Home / 76,774.32-105,912.36-44,923.68

Finding the Fourth Proportional to 76,774.32, 105,912.36 and 44,923.68

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Solution

The fourth proportional to 76,774.32, 105,912.36 and 44,923.68 is: 61,973.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,774.32 : 105,912.36 = 44,923.68 : x
  2. Step 2: Convert to fraction form
    76,774.32/105,912.36 = 44,923.68/x
  3. Step 3: Cross multiply
    76,774.32x = 105,912.36 × 44,923.68
  4. Step 4: Simplify right side
    76,774.32x = 4,757,972,968.68
  5. Step 5: Solve for x
    x = 4,757,972,968.68/76,774.32
  6. Step 6: Final answer
    x = 61,973.50

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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.