Home / 45,090.48-67,587.96-16,998.36

Finding the Fourth Proportional to 45,090.48, 67,587.96 and 16,998.36

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Solution

The fourth proportional to 45,090.48, 67,587.96 and 16,998.36 is: 25,479.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,090.48 : 67,587.96 = 16,998.36 : x
  2. Step 2: Convert to fraction form
    45,090.48/67,587.96 = 16,998.36/x
  3. Step 3: Cross multiply
    45,090.48x = 67,587.96 × 16,998.36
  4. Step 4: Simplify right side
    45,090.48x = 1,148,884,475.75
  5. Step 5: Solve for x
    x = 1,148,884,475.75/45,090.48
  6. Step 6: Final answer
    x = 25,479.54

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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.