Home / 55,949.76-83,903.40-18,498.60

Finding the Fourth Proportional to 55,949.76, 83,903.40 and 18,498.60

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Solution

The fourth proportional to 55,949.76, 83,903.40 and 18,498.60 is: 27,740.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,949.76 : 83,903.40 = 18,498.60 : x
  2. Step 2: Convert to fraction form
    55,949.76/83,903.40 = 18,498.60/x
  3. Step 3: Cross multiply
    55,949.76x = 83,903.40 × 18,498.60
  4. Step 4: Simplify right side
    55,949.76x = 1,552,095,435.24
  5. Step 5: Solve for x
    x = 1,552,095,435.24/55,949.76
  6. Step 6: Final answer
    x = 27,740.88

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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.