Home / 55,539.11-83,308.58-18,099.12

Finding the Fourth Proportional to 55,539.11, 83,308.58 and 18,099.12

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Solution

The fourth proportional to 55,539.11, 83,308.58 and 18,099.12 is: 27,148.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,539.11 : 83,308.58 = 18,099.12 : x
  2. Step 2: Convert to fraction form
    55,539.11/83,308.58 = 18,099.12/x
  3. Step 3: Cross multiply
    55,539.11x = 83,308.58 × 18,099.12
  4. Step 4: Simplify right side
    55,539.11x = 1,507,811,986.45
  5. Step 5: Solve for x
    x = 1,507,811,986.45/55,539.11
  6. Step 6: Final answer
    x = 27,148.65

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1.5x scale

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.