Home / 59,579.52-82,137.60-57,739.20

Finding the Fourth Proportional to 59,579.52, 82,137.60 and 57,739.20

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Solution

The fourth proportional to 59,579.52, 82,137.60 and 57,739.20 is: 79,600.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,579.52 : 82,137.60 = 57,739.20 : x
  2. Step 2: Convert to fraction form
    59,579.52/82,137.60 = 57,739.20/x
  3. Step 3: Cross multiply
    59,579.52x = 82,137.60 × 57,739.20
  4. Step 4: Simplify right side
    59,579.52x = 4,742,559,313.92
  5. Step 5: Solve for x
    x = 4,742,559,313.92/59,579.52
  6. Step 6: Final answer
    x = 79,600.50

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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.