Home / 47,000.85-64,860.81-25,779.96

Finding the Fourth Proportional to 47,000.85, 64,860.81 and 25,779.96

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Solution

The fourth proportional to 47,000.85, 64,860.81 and 25,779.96 is: 35,576.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,000.85 : 64,860.81 = 25,779.96 : x
  2. Step 2: Convert to fraction form
    47,000.85/64,860.81 = 25,779.96/x
  3. Step 3: Cross multiply
    47,000.85x = 64,860.81 × 25,779.96
  4. Step 4: Simplify right side
    47,000.85x = 1,672,109,087.37
  5. Step 5: Solve for x
    x = 1,672,109,087.37/47,000.85
  6. Step 6: Final answer
    x = 35,576.15

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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.