Home / 111,922.56-154,448.46-61,618.32

Finding the Fourth Proportional to 111,922.56, 154,448.46 and 61,618.32

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Solution

The fourth proportional to 111,922.56, 154,448.46 and 61,618.32 is: 85,030.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,922.56 : 154,448.46 = 61,618.32 : x
  2. Step 2: Convert to fraction form
    111,922.56/154,448.46 = 61,618.32/x
  3. Step 3: Cross multiply
    111,922.56x = 154,448.46 × 61,618.32
  4. Step 4: Simplify right side
    111,922.56x = 9,516,854,631.79
  5. Step 5: Solve for x
    x = 9,516,854,631.79/111,922.56
  6. Step 6: Final answer
    x = 85,030.71

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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.