Home / 75,556.17-113,292.63-31,172.82

Finding the Fourth Proportional to 75,556.17, 113,292.63 and 31,172.82

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Solution

The fourth proportional to 75,556.17, 113,292.63 and 31,172.82 is: 46,742.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,556.17 : 113,292.63 = 31,172.82 : x
  2. Step 2: Convert to fraction form
    75,556.17/113,292.63 = 31,172.82/x
  3. Step 3: Cross multiply
    75,556.17x = 113,292.63 × 31,172.82
  4. Step 4: Simplify right side
    75,556.17x = 3,531,650,762.32
  5. Step 5: Solve for x
    x = 3,531,650,762.32/75,556.17
  6. Step 6: Final answer
    x = 46,742.06

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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.