Home / 112,087.80-154,680.98-61,786.84

Finding the Fourth Proportional to 112,087.80, 154,680.98 and 61,786.84

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Solution

The fourth proportional to 112,087.80, 154,680.98 and 61,786.84 is: 85,265.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,087.80 : 154,680.98 = 61,786.84 : x
  2. Step 2: Convert to fraction form
    112,087.80/154,680.98 = 61,786.84/x
  3. Step 3: Cross multiply
    112,087.80x = 154,680.98 × 61,786.84
  4. Step 4: Simplify right side
    112,087.80x = 9,557,248,962.30
  5. Step 5: Solve for x
    x = 9,557,248,962.30/112,087.80
  6. Step 6: Final answer
    x = 85,265.74

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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.