Home / 112,523.36-168,868.10-53,359.22

Finding the Fourth Proportional to 112,523.36, 168,868.10 and 53,359.22

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Solution

The fourth proportional to 112,523.36, 168,868.10 and 53,359.22 is: 80,078.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,523.36 : 168,868.10 = 53,359.22 : x
  2. Step 2: Convert to fraction form
    112,523.36/168,868.10 = 53,359.22/x
  3. Step 3: Cross multiply
    112,523.36x = 168,868.10 × 53,359.22
  4. Step 4: Simplify right side
    112,523.36x = 9,010,670,654.45
  5. Step 5: Solve for x
    x = 9,010,670,654.45/112,523.36
  6. Step 6: Final answer
    x = 80,078.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.