Home / 74,899.25-103,358.62-40,907.19

Finding the Fourth Proportional to 74,899.25, 103,358.62 and 40,907.19

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Solution

The fourth proportional to 74,899.25, 103,358.62 and 40,907.19 is: 56,450.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,899.25 : 103,358.62 = 40,907.19 : x
  2. Step 2: Convert to fraction form
    74,899.25/103,358.62 = 40,907.19/x
  3. Step 3: Cross multiply
    74,899.25x = 103,358.62 × 40,907.19
  4. Step 4: Simplify right side
    74,899.25x = 4,228,110,501.94
  5. Step 5: Solve for x
    x = 4,228,110,501.94/74,899.25
  6. Step 6: Final answer
    x = 56,450.64

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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.