Home / 78,723.56-108,634.42-44,727.33

Finding the Fourth Proportional to 78,723.56, 108,634.42 and 44,727.33

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Solution

The fourth proportional to 78,723.56, 108,634.42 and 44,727.33 is: 61,721.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,723.56 : 108,634.42 = 44,727.33 : x
  2. Step 2: Convert to fraction form
    78,723.56/108,634.42 = 44,727.33/x
  3. Step 3: Cross multiply
    78,723.56x = 108,634.42 × 44,727.33
  4. Step 4: Simplify right side
    78,723.56x = 4,858,927,552.70
  5. Step 5: Solve for x
    x = 4,858,927,552.70/78,723.56
  6. Step 6: Final answer
    x = 61,721.39

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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.