Home / 76,143.07-114,225.69-23,556.66

Finding the Fourth Proportional to 76,143.07, 114,225.69 and 23,556.66

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Solution

The fourth proportional to 76,143.07, 114,225.69 and 23,556.66 is: 35,338.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,143.07 : 114,225.69 = 23,556.66 : x
  2. Step 2: Convert to fraction form
    76,143.07/114,225.69 = 23,556.66/x
  3. Step 3: Cross multiply
    76,143.07x = 114,225.69 × 23,556.66
  4. Step 4: Simplify right side
    76,143.07x = 2,690,775,402.59
  5. Step 5: Solve for x
    x = 2,690,775,402.59/76,143.07
  6. Step 6: Final answer
    x = 35,338.41

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1.5x scale

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.