Home / 68,859.06-94,990.08-45,928.36

Finding the Fourth Proportional to 68,859.06, 94,990.08 and 45,928.36

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Solution

The fourth proportional to 68,859.06, 94,990.08 and 45,928.36 is: 63,357.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,859.06 : 94,990.08 = 45,928.36 : x
  2. Step 2: Convert to fraction form
    68,859.06/94,990.08 = 45,928.36/x
  3. Step 3: Cross multiply
    68,859.06x = 94,990.08 × 45,928.36
  4. Step 4: Simplify right side
    68,859.06x = 4,362,738,590.67
  5. Step 5: Solve for x
    x = 4,362,738,590.67/68,859.06
  6. Step 6: Final answer
    x = 63,357.51

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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.