Home / 76,964.09-106,224.26-45,921.33

Finding the Fourth Proportional to 76,964.09, 106,224.26 and 45,921.33

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Solution

The fourth proportional to 76,964.09, 106,224.26 and 45,921.33 is: 63,379.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,964.09 : 106,224.26 = 45,921.33 : x
  2. Step 2: Convert to fraction form
    76,964.09/106,224.26 = 45,921.33/x
  3. Step 3: Cross multiply
    76,964.09x = 106,224.26 × 45,921.33
  4. Step 4: Simplify right side
    76,964.09x = 4,877,959,326.17
  5. Step 5: Solve for x
    x = 4,877,959,326.17/76,964.09
  6. Step 6: Final answer
    x = 63,379.68

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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.