Home / 74,699.26-103,084.97-40,707.73

Finding the Fourth Proportional to 74,699.26, 103,084.97 and 40,707.73

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Solution

The fourth proportional to 74,699.26, 103,084.97 and 40,707.73 is: 56,176.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,699.26 : 103,084.97 = 40,707.73 : x
  2. Step 2: Convert to fraction form
    74,699.26/103,084.97 = 40,707.73/x
  3. Step 3: Cross multiply
    74,699.26x = 103,084.97 × 40,707.73
  4. Step 4: Simplify right side
    74,699.26x = 4,196,354,868.11
  5. Step 5: Solve for x
    x = 4,196,354,868.11/74,699.26
  6. Step 6: Final answer
    x = 56,176.66

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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.