Home / 111,099.37-153,313.26-63,368.11

Finding the Fourth Proportional to 111,099.37, 153,313.26 and 63,368.11

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Solution

The fourth proportional to 111,099.37, 153,313.26 and 63,368.11 is: 87,445.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,099.37 : 153,313.26 = 63,368.11 : x
  2. Step 2: Convert to fraction form
    111,099.37/153,313.26 = 63,368.11/x
  3. Step 3: Cross multiply
    111,099.37x = 153,313.26 × 63,368.11
  4. Step 4: Simplify right side
    111,099.37x = 9,715,171,524.14
  5. Step 5: Solve for x
    x = 9,715,171,524.14/111,099.37
  6. Step 6: Final answer
    x = 87,445.78

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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.