Home / 55,315.08-76,332.78-30,164.04

Finding the Fourth Proportional to 55,315.08, 76,332.78 and 30,164.04

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Solution

The fourth proportional to 55,315.08, 76,332.78 and 30,164.04 is: 41,625.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,315.08 : 76,332.78 = 30,164.04 : x
  2. Step 2: Convert to fraction form
    55,315.08/76,332.78 = 30,164.04/x
  3. Step 3: Cross multiply
    55,315.08x = 76,332.78 × 30,164.04
  4. Step 4: Simplify right side
    55,315.08x = 2,302,505,029.23
  5. Step 5: Solve for x
    x = 2,302,505,029.23/55,315.08
  6. Step 6: Final answer
    x = 41,625.27

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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.