Home / 43,864.17-65,780.71-14,276.49

Finding the Fourth Proportional to 43,864.17, 65,780.71 and 14,276.49

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Solution

The fourth proportional to 43,864.17, 65,780.71 and 14,276.49 is: 21,409.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,864.17 : 65,780.71 = 14,276.49 : x
  2. Step 2: Convert to fraction form
    43,864.17/65,780.71 = 14,276.49/x
  3. Step 3: Cross multiply
    43,864.17x = 65,780.71 × 14,276.49
  4. Step 4: Simplify right side
    43,864.17x = 939,117,648.51
  5. Step 5: Solve for x
    x = 939,117,648.51/43,864.17
  6. Step 6: Final answer
    x = 21,409.68

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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.