Home / 53,416.96-80,129.99-13,974.01

Finding the Fourth Proportional to 53,416.96, 80,129.99 and 13,974.01

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Solution

The fourth proportional to 53,416.96, 80,129.99 and 13,974.01 is: 20,962.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,416.96 : 80,129.99 = 13,974.01 : x
  2. Step 2: Convert to fraction form
    53,416.96/80,129.99 = 13,974.01/x
  3. Step 3: Cross multiply
    53,416.96x = 80,129.99 × 13,974.01
  4. Step 4: Simplify right side
    53,416.96x = 1,119,737,281.56
  5. Step 5: Solve for x
    x = 1,119,737,281.56/53,416.96
  6. Step 6: Final answer
    x = 20,962.21

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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.