Home / 85,271.06-127,918.26-29,096.10

Finding the Fourth Proportional to 85,271.06, 127,918.26 and 29,096.10

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Solution

The fourth proportional to 85,271.06, 127,918.26 and 29,096.10 is: 43,648.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,271.06 : 127,918.26 = 29,096.10 : x
  2. Step 2: Convert to fraction form
    85,271.06/127,918.26 = 29,096.10/x
  3. Step 3: Cross multiply
    85,271.06x = 127,918.26 × 29,096.10
  4. Step 4: Simplify right side
    85,271.06x = 3,721,922,484.79
  5. Step 5: Solve for x
    x = 3,721,922,484.79/85,271.06
  6. Step 6: Final answer
    x = 43,648.13

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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.