Home / 55,456.04-76,534.66-31,590.44

Finding the Fourth Proportional to 55,456.04, 76,534.66 and 31,590.44

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Solution

The fourth proportional to 55,456.04, 76,534.66 and 31,590.44 is: 43,597.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,456.04 : 76,534.66 = 31,590.44 : x
  2. Step 2: Convert to fraction form
    55,456.04/76,534.66 = 31,590.44/x
  3. Step 3: Cross multiply
    55,456.04x = 76,534.66 × 31,590.44
  4. Step 4: Simplify right side
    55,456.04x = 2,417,763,584.65
  5. Step 5: Solve for x
    x = 2,417,763,584.65/55,456.04
  6. Step 6: Final answer
    x = 43,597.84

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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.