Home / 55,111.60-76,057.94-31,835.03

Finding the Fourth Proportional to 55,111.60, 76,057.94 and 31,835.03

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Solution

The fourth proportional to 55,111.60, 76,057.94 and 31,835.03 is: 43,934.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,111.60 : 76,057.94 = 31,835.03 : x
  2. Step 2: Convert to fraction form
    55,111.60/76,057.94 = 31,835.03/x
  3. Step 3: Cross multiply
    55,111.60x = 76,057.94 × 31,835.03
  4. Step 4: Simplify right side
    55,111.60x = 2,421,307,071.37
  5. Step 5: Solve for x
    x = 2,421,307,071.37/55,111.60
  6. Step 6: Final answer
    x = 43,934.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.