Home / 74,962.16-103,443.72-41,426

Finding the Fourth Proportional to 74,962.16, 103,443.72 and 41,426

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Solution

The fourth proportional to 74,962.16, 103,443.72 and 41,426 is: 57,165.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,962.16 : 103,443.72 = 41,426 : x
  2. Step 2: Convert to fraction form
    74,962.16/103,443.72 = 41,426/x
  3. Step 3: Cross multiply
    74,962.16x = 103,443.72 × 41,426
  4. Step 4: Simplify right side
    74,962.16x = 4,285,259,544.72
  5. Step 5: Solve for x
    x = 4,285,259,544.72/74,962.16
  6. Step 6: Final answer
    x = 57,165.64

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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.