Home / 76,080.15-104,955.22-49,231.33

Finding the Fourth Proportional to 76,080.15, 104,955.22 and 49,231.33

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Solution

The fourth proportional to 76,080.15, 104,955.22 and 49,231.33 is: 67,916.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,080.15 : 104,955.22 = 49,231.33 : x
  2. Step 2: Convert to fraction form
    76,080.15/104,955.22 = 49,231.33/x
  3. Step 3: Cross multiply
    76,080.15x = 104,955.22 × 49,231.33
  4. Step 4: Simplify right side
    76,080.15x = 5,167,085,071.04
  5. Step 5: Solve for x
    x = 5,167,085,071.04/76,080.15
  6. Step 6: Final answer
    x = 67,916.34

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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.