Home / 53,579.93-80,362.00-14,139.82

Finding the Fourth Proportional to 53,579.93, 80,362.00 and 14,139.82

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Solution

The fourth proportional to 53,579.93, 80,362.00 and 14,139.82 is: 21,207.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,579.93 : 80,362.00 = 14,139.82 : x
  2. Step 2: Convert to fraction form
    53,579.93/80,362.00 = 14,139.82/x
  3. Step 3: Cross multiply
    53,579.93x = 80,362.00 × 14,139.82
  4. Step 4: Simplify right side
    53,579.93x = 1,136,303,978.59
  5. Step 5: Solve for x
    x = 1,136,303,978.59/53,579.93
  6. Step 6: Final answer
    x = 21,207.64

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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.