Home / 112,074.88-154,662.32-61,087.60

Finding the Fourth Proportional to 112,074.88, 154,662.32 and 61,087.60

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Solution

The fourth proportional to 112,074.88, 154,662.32 and 61,087.60 is: 84,300.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,074.88 : 154,662.32 = 61,087.60 : x
  2. Step 2: Convert to fraction form
    112,074.88/154,662.32 = 61,087.60/x
  3. Step 3: Cross multiply
    112,074.88x = 154,662.32 × 61,087.60
  4. Step 4: Simplify right side
    112,074.88x = 9,447,949,939.23
  5. Step 5: Solve for x
    x = 9,447,949,939.23/112,074.88
  6. Step 6: Final answer
    x = 84,300.34

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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.