Home / 76,080.06-104,955.12-49,231.26

Finding the Fourth Proportional to 76,080.06, 104,955.12 and 49,231.26

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Solution

The fourth proportional to 76,080.06, 104,955.12 and 49,231.26 is: 67,916.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,080.06 : 104,955.12 = 49,231.26 : x
  2. Step 2: Convert to fraction form
    76,080.06/104,955.12 = 49,231.26/x
  3. Step 3: Cross multiply
    76,080.06x = 104,955.12 × 49,231.26
  4. Step 4: Simplify right side
    76,080.06x = 5,167,072,801.05
  5. Step 5: Solve for x
    x = 5,167,072,801.05/76,080.06
  6. Step 6: Final answer
    x = 67,916.26

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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.