Home / 112,036.45-154,608.49-61,049.84

Finding the Fourth Proportional to 112,036.45, 154,608.49 and 61,049.84

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Solution

The fourth proportional to 112,036.45, 154,608.49 and 61,049.84 is: 84,247.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,036.45 : 154,608.49 = 61,049.84 : x
  2. Step 2: Convert to fraction form
    112,036.45/154,608.49 = 61,049.84/x
  3. Step 3: Cross multiply
    112,036.45x = 154,608.49 × 61,049.84
  4. Step 4: Simplify right side
    112,036.45x = 9,438,822,651.47
  5. Step 5: Solve for x
    x = 9,438,822,651.47/112,036.45
  6. Step 6: Final answer
    x = 84,247.79

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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.