Home / 75,021.16-103,525.14-41,485

Finding the Fourth Proportional to 75,021.16, 103,525.14 and 41,485

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Solution

The fourth proportional to 75,021.16, 103,525.14 and 41,485 is: 57,247.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,021.16 : 103,525.14 = 41,485 : x
  2. Step 2: Convert to fraction form
    75,021.16/103,525.14 = 41,485/x
  3. Step 3: Cross multiply
    75,021.16x = 103,525.14 × 41,485
  4. Step 4: Simplify right side
    75,021.16x = 4,294,740,432.90
  5. Step 5: Solve for x
    x = 4,294,740,432.90/75,021.16
  6. Step 6: Final answer
    x = 57,247.05

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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.