Home / 111,836.37-154,338.45-64,098.93

Finding the Fourth Proportional to 111,836.37, 154,338.45 and 64,098.93

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Solution

The fourth proportional to 111,836.37, 154,338.45 and 64,098.93 is: 88,458.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,836.37 : 154,338.45 = 64,098.93 : x
  2. Step 2: Convert to fraction form
    111,836.37/154,338.45 = 64,098.93/x
  3. Step 3: Cross multiply
    111,836.37x = 154,338.45 × 64,098.93
  4. Step 4: Simplify right side
    111,836.37x = 9,892,929,841.26
  5. Step 5: Solve for x
    x = 9,892,929,841.26/111,836.37
  6. Step 6: Final answer
    x = 88,458.96

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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.