Home / 112,086.39-154,680.26-61,787.19

Finding the Fourth Proportional to 112,086.39, 154,680.26 and 61,787.19

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Solution

The fourth proportional to 112,086.39, 154,680.26 and 61,787.19 is: 85,266.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,086.39 : 154,680.26 = 61,787.19 : x
  2. Step 2: Convert to fraction form
    112,086.39/154,680.26 = 61,787.19/x
  3. Step 3: Cross multiply
    112,086.39x = 154,680.26 × 61,787.19
  4. Step 4: Simplify right side
    112,086.39x = 9,557,258,304.93
  5. Step 5: Solve for x
    x = 9,557,258,304.93/112,086.39
  6. Step 6: Final answer
    x = 85,266.89

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1.5x scale

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.