Home / 84,576.20-127,058.78-59,673.64

Finding the Fourth Proportional to 84,576.20, 127,058.78 and 59,673.64

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Solution

The fourth proportional to 84,576.20, 127,058.78 and 59,673.64 is: 89,647.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,576.20 : 127,058.78 = 59,673.64 : x
  2. Step 2: Convert to fraction form
    84,576.20/127,058.78 = 59,673.64/x
  3. Step 3: Cross multiply
    84,576.20x = 127,058.78 × 59,673.64
  4. Step 4: Simplify right side
    84,576.20x = 7,582,059,896.56
  5. Step 5: Solve for x
    x = 7,582,059,896.56/84,576.20
  6. Step 6: Final answer
    x = 89,647.68

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1.5x scale

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.