Home / 92,431.83-127,556.02-49,990.37

Finding the Fourth Proportional to 92,431.83, 127,556.02 and 49,990.37

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Solution

The fourth proportional to 92,431.83, 127,556.02 and 49,990.37 is: 68,986.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,431.83 : 127,556.02 = 49,990.37 : x
  2. Step 2: Convert to fraction form
    92,431.83/127,556.02 = 49,990.37/x
  3. Step 3: Cross multiply
    92,431.83x = 127,556.02 × 49,990.37
  4. Step 4: Simplify right side
    92,431.83x = 6,376,571,779.04
  5. Step 5: Solve for x
    x = 6,376,571,779.04/92,431.83
  6. Step 6: Final answer
    x = 68,986.75

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1.5x scale

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.