Home / 108,639.89-149,922.57-60,893.24

Finding the Fourth Proportional to 108,639.89, 149,922.57 and 60,893.24

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Solution

The fourth proportional to 108,639.89, 149,922.57 and 60,893.24 is: 84,032.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,639.89 : 149,922.57 = 60,893.24 : x
  2. Step 2: Convert to fraction form
    108,639.89/149,922.57 = 60,893.24/x
  3. Step 3: Cross multiply
    108,639.89x = 149,922.57 × 60,893.24
  4. Step 4: Simplify right side
    108,639.89x = 9,129,271,036.43
  5. Step 5: Solve for x
    x = 9,129,271,036.43/108,639.89
  6. Step 6: Final answer
    x = 84,032.40

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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.