Home / 74,010.24-102,099.96-45,321.12

Finding the Fourth Proportional to 74,010.24, 102,099.96 and 45,321.12

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Solution

The fourth proportional to 74,010.24, 102,099.96 and 45,321.12 is: 62,522.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,010.24 : 102,099.96 = 45,321.12 : x
  2. Step 2: Convert to fraction form
    74,010.24/102,099.96 = 45,321.12/x
  3. Step 3: Cross multiply
    74,010.24x = 102,099.96 × 45,321.12
  4. Step 4: Simplify right side
    74,010.24x = 4,627,284,539.16
  5. Step 5: Solve for x
    x = 4,627,284,539.16/74,010.24
  6. Step 6: Final answer
    x = 62,522.22

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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.