Home / 84,760.56-127,090.06-28,599.42

Finding the Fourth Proportional to 84,760.56, 127,090.06 and 28,599.42

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Solution

The fourth proportional to 84,760.56, 127,090.06 and 28,599.42 is: 42,882.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,760.56 : 127,090.06 = 28,599.42 : x
  2. Step 2: Convert to fraction form
    84,760.56/127,090.06 = 28,599.42/x
  3. Step 3: Cross multiply
    84,760.56x = 127,090.06 × 28,599.42
  4. Step 4: Simplify right side
    84,760.56x = 3,634,702,003.77
  5. Step 5: Solve for x
    x = 3,634,702,003.77/84,760.56
  6. Step 6: Final answer
    x = 42,882.00

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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.