Home / 47,765.70-65,742.66-42,063.10

Finding the Fourth Proportional to 47,765.70, 65,742.66 and 42,063.10

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Solution

The fourth proportional to 47,765.70, 65,742.66 and 42,063.10 is: 57,893.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,765.70 : 65,742.66 = 42,063.10 : x
  2. Step 2: Convert to fraction form
    47,765.70/65,742.66 = 42,063.10/x
  3. Step 3: Cross multiply
    47,765.70x = 65,742.66 × 42,063.10
  4. Step 4: Simplify right side
    47,765.70x = 2,765,340,035.79
  5. Step 5: Solve for x
    x = 2,765,340,035.79/47,765.70
  6. Step 6: Final answer
    x = 57,893.85

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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.