Home / 63,109.21-94,669.03-45,422.19

Finding the Fourth Proportional to 63,109.21, 94,669.03 and 45,422.19

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Solution

The fourth proportional to 63,109.21, 94,669.03 and 45,422.19 is: 68,137.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,109.21 : 94,669.03 = 45,422.19 : x
  2. Step 2: Convert to fraction form
    63,109.21/94,669.03 = 45,422.19/x
  3. Step 3: Cross multiply
    63,109.21x = 94,669.03 × 45,422.19
  4. Step 4: Simplify right side
    63,109.21x = 4,300,074,440.66
  5. Step 5: Solve for x
    x = 4,300,074,440.66/63,109.21
  6. Step 6: Final answer
    x = 68,137.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.