Home / 53,981.54-80,963.13-14,529.86

Finding the Fourth Proportional to 53,981.54, 80,963.13 and 14,529.86

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Solution

The fourth proportional to 53,981.54, 80,963.13 and 14,529.86 is: 21,792.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,981.54 : 80,963.13 = 14,529.86 : x
  2. Step 2: Convert to fraction form
    53,981.54/80,963.13 = 14,529.86/x
  3. Step 3: Cross multiply
    53,981.54x = 80,963.13 × 14,529.86
  4. Step 4: Simplify right side
    53,981.54x = 1,176,382,944.06
  5. Step 5: Solve for x
    x = 1,176,382,944.06/53,981.54
  6. Step 6: Final answer
    x = 21,792.32

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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.