Home / 108,071.21-149,135.18-60,323.54

Finding the Fourth Proportional to 108,071.21, 149,135.18 and 60,323.54

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Solution

The fourth proportional to 108,071.21, 149,135.18 and 60,323.54 is: 83,244.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,071.21 : 149,135.18 = 60,323.54 : x
  2. Step 2: Convert to fraction form
    108,071.21/149,135.18 = 60,323.54/x
  3. Step 3: Cross multiply
    108,071.21x = 149,135.18 × 60,323.54
  4. Step 4: Simplify right side
    108,071.21x = 8,996,360,948.84
  5. Step 5: Solve for x
    x = 8,996,360,948.84/108,071.21
  6. Step 6: Final answer
    x = 83,244.75

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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.