Home / 112,287.75-154,957.23-61,986.75

Finding the Fourth Proportional to 112,287.75, 154,957.23 and 61,986.75

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Solution

The fourth proportional to 112,287.75, 154,957.23 and 61,986.75 is: 85,541.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,287.75 : 154,957.23 = 61,986.75 : x
  2. Step 2: Convert to fraction form
    112,287.75/154,957.23 = 61,986.75/x
  3. Step 3: Cross multiply
    112,287.75x = 154,957.23 × 61,986.75
  4. Step 4: Simplify right side
    112,287.75x = 9,605,295,076.70
  5. Step 5: Solve for x
    x = 9,605,295,076.70/112,287.75
  6. Step 6: Final answer
    x = 85,541.79

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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.