Home / 76,786.08-105,928.56-44,935.26

Finding the Fourth Proportional to 76,786.08, 105,928.56 and 44,935.26

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Solution

The fourth proportional to 76,786.08, 105,928.56 and 44,935.26 is: 61,989.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,786.08 : 105,928.56 = 44,935.26 : x
  2. Step 2: Convert to fraction form
    76,786.08/105,928.56 = 44,935.26/x
  3. Step 3: Cross multiply
    76,786.08x = 105,928.56 × 44,935.26
  4. Step 4: Simplify right side
    76,786.08x = 4,759,927,385.03
  5. Step 5: Solve for x
    x = 4,759,927,385.03/76,786.08
  6. Step 6: Final answer
    x = 61,989.46

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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.