Home / 112,086.64-154,680.60-61,787.44

Finding the Fourth Proportional to 112,086.64, 154,680.60 and 61,787.44

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Solution

The fourth proportional to 112,086.64, 154,680.60 and 61,787.44 is: 85,267.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,086.64 : 154,680.60 = 61,787.44 : x
  2. Step 2: Convert to fraction form
    112,086.64/154,680.60 = 61,787.44/x
  3. Step 3: Cross multiply
    112,086.64x = 154,680.60 × 61,787.44
  4. Step 4: Simplify right side
    112,086.64x = 9,557,318,291.66
  5. Step 5: Solve for x
    x = 9,557,318,291.66/112,086.64
  6. Step 6: Final answer
    x = 85,267.24

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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.