Home / 75,771.37-104,576.81-45,587.20

Finding the Fourth Proportional to 75,771.37, 104,576.81 and 45,587.20

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Solution

The fourth proportional to 75,771.37, 104,576.81 and 45,587.20 is: 62,917.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,771.37 : 104,576.81 = 45,587.20 : x
  2. Step 2: Convert to fraction form
    75,771.37/104,576.81 = 45,587.20/x
  3. Step 3: Cross multiply
    75,771.37x = 104,576.81 × 45,587.20
  4. Step 4: Simplify right side
    75,771.37x = 4,767,363,952.83
  5. Step 5: Solve for x
    x = 4,767,363,952.83/75,771.37
  6. Step 6: Final answer
    x = 62,917.75

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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.