Home / 55,758.04-76,938.46-31,886.34

Finding the Fourth Proportional to 55,758.04, 76,938.46 and 31,886.34

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Solution

The fourth proportional to 55,758.04, 76,938.46 and 31,886.34 is: 43,998.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,758.04 : 76,938.46 = 31,886.34 : x
  2. Step 2: Convert to fraction form
    55,758.04/76,938.46 = 31,886.34/x
  3. Step 3: Cross multiply
    55,758.04x = 76,938.46 × 31,886.34
  4. Step 4: Simplify right side
    55,758.04x = 2,453,285,894.64
  5. Step 5: Solve for x
    x = 2,453,285,894.64/55,758.04
  6. Step 6: Final answer
    x = 43,998.78

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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.