Home / 111,629.95-154,052.28-63,898.67

Finding the Fourth Proportional to 111,629.95, 154,052.28 and 63,898.67

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Solution

The fourth proportional to 111,629.95, 154,052.28 and 63,898.67 is: 88,181.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,629.95 : 154,052.28 = 63,898.67 : x
  2. Step 2: Convert to fraction form
    111,629.95/154,052.28 = 63,898.67/x
  3. Step 3: Cross multiply
    111,629.95x = 154,052.28 × 63,898.67
  4. Step 4: Simplify right side
    111,629.95x = 9,843,736,187.60
  5. Step 5: Solve for x
    x = 9,843,736,187.60/111,629.95
  6. Step 6: Final answer
    x = 88,181.86

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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.