Home / 108,682.08-149,981.27-60,935.42

Finding the Fourth Proportional to 108,682.08, 149,981.27 and 60,935.42

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Solution

The fourth proportional to 108,682.08, 149,981.27 and 60,935.42 is: 84,090.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,682.08 : 149,981.27 = 60,935.42 : x
  2. Step 2: Convert to fraction form
    108,682.08/149,981.27 = 60,935.42/x
  3. Step 3: Cross multiply
    108,682.08x = 149,981.27 × 60,935.42
  4. Step 4: Simplify right side
    108,682.08x = 9,139,170,625.00
  5. Step 5: Solve for x
    x = 9,139,170,625.00/108,682.08
  6. Step 6: Final answer
    x = 84,090.87

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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.