Home / 85,198.51-127,820.76-26,032.56

Finding the Fourth Proportional to 85,198.51, 127,820.76 and 26,032.56

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Solution

The fourth proportional to 85,198.51, 127,820.76 and 26,032.56 is: 39,055.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,198.51 : 127,820.76 = 26,032.56 : x
  2. Step 2: Convert to fraction form
    85,198.51/127,820.76 = 26,032.56/x
  3. Step 3: Cross multiply
    85,198.51x = 127,820.76 × 26,032.56
  4. Step 4: Simplify right side
    85,198.51x = 3,327,501,603.95
  5. Step 5: Solve for x
    x = 3,327,501,603.95/85,198.51
  6. Step 6: Final answer
    x = 39,055.87

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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.