Home / 74,514.33-102,827.75-40,980.33

Finding the Fourth Proportional to 74,514.33, 102,827.75 and 40,980.33

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Solution

The fourth proportional to 74,514.33, 102,827.75 and 40,980.33 is: 56,551.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,514.33 : 102,827.75 = 40,980.33 : x
  2. Step 2: Convert to fraction form
    74,514.33/102,827.75 = 40,980.33/x
  3. Step 3: Cross multiply
    74,514.33x = 102,827.75 × 40,980.33
  4. Step 4: Simplify right side
    74,514.33x = 4,213,914,923.26
  5. Step 5: Solve for x
    x = 4,213,914,923.26/74,514.33
  6. Step 6: Final answer
    x = 56,551.74

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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.