Home / 112,268.96-154,930.41-61,281.48

Finding the Fourth Proportional to 112,268.96, 154,930.41 and 61,281.48

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Solution

The fourth proportional to 112,268.96, 154,930.41 and 61,281.48 is: 84,568.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,268.96 : 154,930.41 = 61,281.48 : x
  2. Step 2: Convert to fraction form
    112,268.96/154,930.41 = 61,281.48/x
  3. Step 3: Cross multiply
    112,268.96x = 154,930.41 × 61,281.48
  4. Step 4: Simplify right side
    112,268.96x = 9,494,364,821.81
  5. Step 5: Solve for x
    x = 9,494,364,821.81/112,268.96
  6. Step 6: Final answer
    x = 84,568.03

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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.