Home / 75,042.56-112,507.94-45,453.26

Finding the Fourth Proportional to 75,042.56, 112,507.94 and 45,453.26

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Solution

The fourth proportional to 75,042.56, 112,507.94 and 45,453.26 is: 68,146.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,042.56 : 112,507.94 = 45,453.26 : x
  2. Step 2: Convert to fraction form
    75,042.56/112,507.94 = 45,453.26/x
  3. Step 3: Cross multiply
    75,042.56x = 112,507.94 × 45,453.26
  4. Step 4: Simplify right side
    75,042.56x = 5,113,852,199.98
  5. Step 5: Solve for x
    x = 5,113,852,199.98/75,042.56
  6. Step 6: Final answer
    x = 68,146.03

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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.