Home / 59,815.80-89,723.70-51,505.20

Finding the Fourth Proportional to 59,815.80, 89,723.70 and 51,505.20

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Solution

The fourth proportional to 59,815.80, 89,723.70 and 51,505.20 is: 77,257.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,815.80 : 89,723.70 = 51,505.20 : x
  2. Step 2: Convert to fraction form
    59,815.80/89,723.70 = 51,505.20/x
  3. Step 3: Cross multiply
    59,815.80x = 89,723.70 × 51,505.20
  4. Step 4: Simplify right side
    59,815.80x = 4,621,237,113.24
  5. Step 5: Solve for x
    x = 4,621,237,113.24/59,815.80
  6. Step 6: Final answer
    x = 77,257.80

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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.