Home / 84,028.02-115,888.05-50,487.54

Finding the Fourth Proportional to 84,028.02, 115,888.05 and 50,487.54

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Solution

The fourth proportional to 84,028.02, 115,888.05 and 50,487.54 is: 69,630.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,028.02 : 115,888.05 = 50,487.54 : x
  2. Step 2: Convert to fraction form
    84,028.02/115,888.05 = 50,487.54/x
  3. Step 3: Cross multiply
    84,028.02x = 115,888.05 × 50,487.54
  4. Step 4: Simplify right side
    84,028.02x = 5,850,902,559.90
  5. Step 5: Solve for x
    x = 5,850,902,559.90/84,028.02
  6. Step 6: Final answer
    x = 69,630.38

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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.