Home / 59,619.40-89,331.90-51,260.20

Finding the Fourth Proportional to 59,619.40, 89,331.90 and 51,260.20

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Solution

The fourth proportional to 59,619.40, 89,331.90 and 51,260.20 is: 76,806.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,619.40 : 89,331.90 = 51,260.20 : x
  2. Step 2: Convert to fraction form
    59,619.40/89,331.90 = 51,260.20/x
  3. Step 3: Cross multiply
    59,619.40x = 89,331.90 × 51,260.20
  4. Step 4: Simplify right side
    59,619.40x = 4,579,171,060.38
  5. Step 5: Solve for x
    x = 4,579,171,060.38/59,619.40
  6. Step 6: Final answer
    x = 76,806.73

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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.