Home / 47,637.87-71,464.10-12,580.26

Finding the Fourth Proportional to 47,637.87, 71,464.10 and 12,580.26

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Solution

The fourth proportional to 47,637.87, 71,464.10 and 12,580.26 is: 18,872.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,637.87 : 71,464.10 = 12,580.26 : x
  2. Step 2: Convert to fraction form
    47,637.87/71,464.10 = 12,580.26/x
  3. Step 3: Cross multiply
    47,637.87x = 71,464.10 × 12,580.26
  4. Step 4: Simplify right side
    47,637.87x = 899,036,895.76
  5. Step 5: Solve for x
    x = 899,036,895.76/47,637.87
  6. Step 6: Final answer
    x = 18,872.32

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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.