Home / 74,964.16-103,446.48-41,428

Finding the Fourth Proportional to 74,964.16, 103,446.48 and 41,428

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Solution

The fourth proportional to 74,964.16, 103,446.48 and 41,428 is: 57,168.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,964.16 : 103,446.48 = 41,428 : x
  2. Step 2: Convert to fraction form
    74,964.16/103,446.48 = 41,428/x
  3. Step 3: Cross multiply
    74,964.16x = 103,446.48 × 41,428
  4. Step 4: Simplify right side
    74,964.16x = 4,285,580,773.44
  5. Step 5: Solve for x
    x = 4,285,580,773.44/74,964.16
  6. Step 6: Final answer
    x = 57,168.40

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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.