Home / 55,736.04-76,917.06-31,864.95

Finding the Fourth Proportional to 55,736.04, 76,917.06 and 31,864.95

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Solution

The fourth proportional to 55,736.04, 76,917.06 and 31,864.95 is: 43,974.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,736.04 : 76,917.06 = 31,864.95 : x
  2. Step 2: Convert to fraction form
    55,736.04/76,917.06 = 31,864.95/x
  3. Step 3: Cross multiply
    55,736.04x = 76,917.06 × 31,864.95
  4. Step 4: Simplify right side
    55,736.04x = 2,450,958,271.05
  5. Step 5: Solve for x
    x = 2,450,958,271.05/55,736.04
  6. Step 6: Final answer
    x = 43,974.39

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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.