Home / 112,074.31-154,662.66-61,087.08

Finding the Fourth Proportional to 112,074.31, 154,662.66 and 61,087.08

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Solution

The fourth proportional to 112,074.31, 154,662.66 and 61,087.08 is: 84,300.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,074.31 : 154,662.66 = 61,087.08 : x
  2. Step 2: Convert to fraction form
    112,074.31/154,662.66 = 61,087.08/x
  3. Step 3: Cross multiply
    112,074.31x = 154,662.66 × 61,087.08
  4. Step 4: Simplify right side
    112,074.31x = 9,447,890,284.43
  5. Step 5: Solve for x
    x = 9,447,890,284.43/112,074.31
  6. Step 6: Final answer
    x = 84,300.23

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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.