Home / 74,679.36-103,018.05-44,443.14

Finding the Fourth Proportional to 74,679.36, 103,018.05 and 44,443.14

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Solution

The fourth proportional to 74,679.36, 103,018.05 and 44,443.14 is: 61,308.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,679.36 : 103,018.05 = 44,443.14 : x
  2. Step 2: Convert to fraction form
    74,679.36/103,018.05 = 44,443.14/x
  3. Step 3: Cross multiply
    74,679.36x = 103,018.05 × 44,443.14
  4. Step 4: Simplify right side
    74,679.36x = 4,578,445,618.68
  5. Step 5: Solve for x
    x = 4,578,445,618.68/74,679.36
  6. Step 6: Final answer
    x = 61,308.05

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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.