Home / 112,049.45-154,623.74-61,061.09

Finding the Fourth Proportional to 112,049.45, 154,623.74 and 61,061.09

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Solution

The fourth proportional to 112,049.45, 154,623.74 and 61,061.09 is: 84,261.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,049.45 : 154,623.74 = 61,061.09 : x
  2. Step 2: Convert to fraction form
    112,049.45/154,623.74 = 61,061.09/x
  3. Step 3: Cross multiply
    112,049.45x = 154,623.74 × 61,061.09
  4. Step 4: Simplify right side
    112,049.45x = 9,441,494,221.23
  5. Step 5: Solve for x
    x = 9,441,494,221.23/112,049.45
  6. Step 6: Final answer
    x = 84,261.85

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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.