Home / 74,668.32-111,998.16-22,085.28

Finding the Fourth Proportional to 74,668.32, 111,998.16 and 22,085.28

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Solution

The fourth proportional to 74,668.32, 111,998.16 and 22,085.28 is: 33,126.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,668.32 : 111,998.16 = 22,085.28 : x
  2. Step 2: Convert to fraction form
    74,668.32/111,998.16 = 22,085.28/x
  3. Step 3: Cross multiply
    74,668.32x = 111,998.16 × 22,085.28
  4. Step 4: Simplify right side
    74,668.32x = 2,473,510,723.08
  5. Step 5: Solve for x
    x = 2,473,510,723.08/74,668.32
  6. Step 6: Final answer
    x = 33,126.64

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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.