Home / 52,673.06-72,690.14-31,976.81

Finding the Fourth Proportional to 52,673.06, 72,690.14 and 31,976.81

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Solution

The fourth proportional to 52,673.06, 72,690.14 and 31,976.81 is: 44,128.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,673.06 : 72,690.14 = 31,976.81 : x
  2. Step 2: Convert to fraction form
    52,673.06/72,690.14 = 31,976.81/x
  3. Step 3: Cross multiply
    52,673.06x = 72,690.14 × 31,976.81
  4. Step 4: Simplify right side
    52,673.06x = 2,324,398,784.73
  5. Step 5: Solve for x
    x = 2,324,398,784.73/52,673.06
  6. Step 6: Final answer
    x = 44,128.80

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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.