Home / 53,705.36-80,551.89-14,265.56

Finding the Fourth Proportional to 53,705.36, 80,551.89 and 14,265.56

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Solution

The fourth proportional to 53,705.36, 80,551.89 and 14,265.56 is: 21,396.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,705.36 : 80,551.89 = 14,265.56 : x
  2. Step 2: Convert to fraction form
    53,705.36/80,551.89 = 14,265.56/x
  3. Step 3: Cross multiply
    53,705.36x = 80,551.89 × 14,265.56
  4. Step 4: Simplify right side
    53,705.36x = 1,149,117,417.15
  5. Step 5: Solve for x
    x = 1,149,117,417.15/53,705.36
  6. Step 6: Final answer
    x = 21,396.70

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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.