Home / 55,928.90-83,875.56-18,481.98

Finding the Fourth Proportional to 55,928.90, 83,875.56 and 18,481.98

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Solution

The fourth proportional to 55,928.90, 83,875.56 and 18,481.98 is: 27,717.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,928.90 : 83,875.56 = 18,481.98 : x
  2. Step 2: Convert to fraction form
    55,928.90/83,875.56 = 18,481.98/x
  3. Step 3: Cross multiply
    55,928.90x = 83,875.56 × 18,481.98
  4. Step 4: Simplify right side
    55,928.90x = 1,550,186,422.41
  5. Step 5: Solve for x
    x = 1,550,186,422.41/55,928.90
  6. Step 6: Final answer
    x = 27,717.09

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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.