Home / 82,583.60-123,884.47-26,410.51

Finding the Fourth Proportional to 82,583.60, 123,884.47 and 26,410.51

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Solution

The fourth proportional to 82,583.60, 123,884.47 and 26,410.51 is: 39,618.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,583.60 : 123,884.47 = 26,410.51 : x
  2. Step 2: Convert to fraction form
    82,583.60/123,884.47 = 26,410.51/x
  3. Step 3: Cross multiply
    82,583.60x = 123,884.47 × 26,410.51
  4. Step 4: Simplify right side
    82,583.60x = 3,271,851,524.80
  5. Step 5: Solve for x
    x = 3,271,851,524.80/82,583.60
  6. Step 6: Final answer
    x = 39,618.66

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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.