Home / 75,630.70-113,298.63-43,962.94

Finding the Fourth Proportional to 75,630.70, 113,298.63 and 43,962.94

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Solution

The fourth proportional to 75,630.70, 113,298.63 and 43,962.94 is: 65,858.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,630.70 : 113,298.63 = 43,962.94 : x
  2. Step 2: Convert to fraction form
    75,630.70/113,298.63 = 43,962.94/x
  3. Step 3: Cross multiply
    75,630.70x = 113,298.63 × 43,962.94
  4. Step 4: Simplify right side
    75,630.70x = 4,980,940,872.77
  5. Step 5: Solve for x
    x = 4,980,940,872.77/75,630.70
  6. Step 6: Final answer
    x = 65,858.72

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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.