Home / 53,856.88-80,785.28-14,412.96

Finding the Fourth Proportional to 53,856.88, 80,785.28 and 14,412.96

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Solution

The fourth proportional to 53,856.88, 80,785.28 and 14,412.96 is: 21,619.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,856.88 : 80,785.28 = 14,412.96 : x
  2. Step 2: Convert to fraction form
    53,856.88/80,785.28 = 14,412.96/x
  3. Step 3: Cross multiply
    53,856.88x = 80,785.28 × 14,412.96
  4. Step 4: Simplify right side
    53,856.88x = 1,164,355,045.26
  5. Step 5: Solve for x
    x = 1,164,355,045.26/53,856.88
  6. Step 6: Final answer
    x = 21,619.43

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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.