Home / 84,022.53-115,873.19-61,325.60

Finding the Fourth Proportional to 84,022.53, 115,873.19 and 61,325.60

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Solution

The fourth proportional to 84,022.53, 115,873.19 and 61,325.60 is: 84,572.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,022.53 : 115,873.19 = 61,325.60 : x
  2. Step 2: Convert to fraction form
    84,022.53/115,873.19 = 61,325.60/x
  3. Step 3: Cross multiply
    84,022.53x = 115,873.19 × 61,325.60
  4. Step 4: Simplify right side
    84,022.53x = 7,105,992,014.67
  5. Step 5: Solve for x
    x = 7,105,992,014.67/84,022.53
  6. Step 6: Final answer
    x = 84,572.46

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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.