Home / 55,618.02-83,427.30-18,682.02

Finding the Fourth Proportional to 55,618.02, 83,427.30 and 18,682.02

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Solution

The fourth proportional to 55,618.02, 83,427.30 and 18,682.02 is: 28,023.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,618.02 : 83,427.30 = 18,682.02 : x
  2. Step 2: Convert to fraction form
    55,618.02/83,427.30 = 18,682.02/x
  3. Step 3: Cross multiply
    55,618.02x = 83,427.30 × 18,682.02
  4. Step 4: Simplify right side
    55,618.02x = 1,558,590,487.15
  5. Step 5: Solve for x
    x = 1,558,590,487.15/55,618.02
  6. Step 6: Final answer
    x = 28,023.12

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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.