Home / 111,030.48-166,539.24-27,918

Finding the Fourth Proportional to 111,030.48, 166,539.24 and 27,918

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Solution

The fourth proportional to 111,030.48, 166,539.24 and 27,918 is: 41,875.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,030.48 : 166,539.24 = 27,918 : x
  2. Step 2: Convert to fraction form
    111,030.48/166,539.24 = 27,918/x
  3. Step 3: Cross multiply
    111,030.48x = 166,539.24 × 27,918
  4. Step 4: Simplify right side
    111,030.48x = 4,649,442,502.32
  5. Step 5: Solve for x
    x = 4,649,442,502.32/111,030.48
  6. Step 6: Final answer
    x = 41,875.37

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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.