Home / 111,342.11-166,980.48-31,374.77

Finding the Fourth Proportional to 111,342.11, 166,980.48 and 31,374.77

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Solution

The fourth proportional to 111,342.11, 166,980.48 and 31,374.77 is: 47,052.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,342.11 : 166,980.48 = 31,374.77 : x
  2. Step 2: Convert to fraction form
    111,342.11/166,980.48 = 31,374.77/x
  3. Step 3: Cross multiply
    111,342.11x = 166,980.48 × 31,374.77
  4. Step 4: Simplify right side
    111,342.11x = 5,238,973,319.59
  5. Step 5: Solve for x
    x = 5,238,973,319.59/111,342.11
  6. Step 6: Final answer
    x = 47,052.94

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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.