Home / 66,442.75-99,710.83-60,090.37

Finding the Fourth Proportional to 66,442.75, 99,710.83 and 60,090.37

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Solution

The fourth proportional to 66,442.75, 99,710.83 and 60,090.37 is: 90,177.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,442.75 : 99,710.83 = 60,090.37 : x
  2. Step 2: Convert to fraction form
    66,442.75/99,710.83 = 60,090.37/x
  3. Step 3: Cross multiply
    66,442.75x = 99,710.83 × 60,090.37
  4. Step 4: Simplify right side
    66,442.75x = 5,991,660,155.53
  5. Step 5: Solve for x
    x = 5,991,660,155.53/66,442.75
  6. Step 6: Final answer
    x = 90,177.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.