Home / 53,981.04-80,962.38-14,529.36

Finding the Fourth Proportional to 53,981.04, 80,962.38 and 14,529.36

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Solution

The fourth proportional to 53,981.04, 80,962.38 and 14,529.36 is: 21,791.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,981.04 : 80,962.38 = 14,529.36 : x
  2. Step 2: Convert to fraction form
    53,981.04/80,962.38 = 14,529.36/x
  3. Step 3: Cross multiply
    53,981.04x = 80,962.38 × 14,529.36
  4. Step 4: Simplify right side
    53,981.04x = 1,176,331,565.48
  5. Step 5: Solve for x
    x = 1,176,331,565.48/53,981.04
  6. Step 6: Final answer
    x = 21,791.57

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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.