Home / 53,585.43-80,376.93-14,145.32

Finding the Fourth Proportional to 53,585.43, 80,376.93 and 14,145.32

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Solution

The fourth proportional to 53,585.43, 80,376.93 and 14,145.32 is: 21,217.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,585.43 : 80,376.93 = 14,145.32 : x
  2. Step 2: Convert to fraction form
    53,585.43/80,376.93 = 14,145.32/x
  3. Step 3: Cross multiply
    53,585.43x = 80,376.93 × 14,145.32
  4. Step 4: Simplify right side
    53,585.43x = 1,136,956,993.58
  5. Step 5: Solve for x
    x = 1,136,956,993.58/53,585.43
  6. Step 6: Final answer
    x = 21,217.65

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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.