Home / 42,672.15-64,008.60-16,370.64

Finding the Fourth Proportional to 42,672.15, 64,008.60 and 16,370.64

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Solution

The fourth proportional to 42,672.15, 64,008.60 and 16,370.64 is: 24,556.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,672.15 : 64,008.60 = 16,370.64 : x
  2. Step 2: Convert to fraction form
    42,672.15/64,008.60 = 16,370.64/x
  3. Step 3: Cross multiply
    42,672.15x = 64,008.60 × 16,370.64
  4. Step 4: Simplify right side
    42,672.15x = 1,047,861,747.50
  5. Step 5: Solve for x
    x = 1,047,861,747.50/42,672.15
  6. Step 6: Final answer
    x = 24,556.10

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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.