Home / 85,466.22-128,199.60-26,301.53

Finding the Fourth Proportional to 85,466.22, 128,199.60 and 26,301.53

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Solution

The fourth proportional to 85,466.22, 128,199.60 and 26,301.53 is: 39,452.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,466.22 : 128,199.60 = 26,301.53 : x
  2. Step 2: Convert to fraction form
    85,466.22/128,199.60 = 26,301.53/x
  3. Step 3: Cross multiply
    85,466.22x = 128,199.60 × 26,301.53
  4. Step 4: Simplify right side
    85,466.22x = 3,371,844,984.39
  5. Step 5: Solve for x
    x = 3,371,844,984.39/85,466.22
  6. Step 6: Final answer
    x = 39,452.37

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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.