Home / 111,829.14-154,323.63-64,081.26

Finding the Fourth Proportional to 111,829.14, 154,323.63 and 64,081.26

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Solution

The fourth proportional to 111,829.14, 154,323.63 and 64,081.26 is: 88,431.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,829.14 : 154,323.63 = 64,081.26 : x
  2. Step 2: Convert to fraction form
    111,829.14/154,323.63 = 64,081.26/x
  3. Step 3: Cross multiply
    111,829.14x = 154,323.63 × 64,081.26
  4. Step 4: Simplify right side
    111,829.14x = 9,889,252,658.17
  5. Step 5: Solve for x
    x = 9,889,252,658.17/111,829.14
  6. Step 6: Final answer
    x = 88,431.80

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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.