Home / 55,053.86-82,448.27-31,303.31

Finding the Fourth Proportional to 55,053.86, 82,448.27 and 31,303.31

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Solution

The fourth proportional to 55,053.86, 82,448.27 and 31,303.31 is: 46,879.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,053.86 : 82,448.27 = 31,303.31 : x
  2. Step 2: Convert to fraction form
    55,053.86/82,448.27 = 31,303.31/x
  3. Step 3: Cross multiply
    55,053.86x = 82,448.27 × 31,303.31
  4. Step 4: Simplify right side
    55,053.86x = 2,580,903,186.02
  5. Step 5: Solve for x
    x = 2,580,903,186.02/55,053.86
  6. Step 6: Final answer
    x = 46,879.61

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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.