Home / 55,708.01-76,869.65-31,512.27

Finding the Fourth Proportional to 55,708.01, 76,869.65 and 31,512.27

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Solution

The fourth proportional to 55,708.01, 76,869.65 and 31,512.27 is: 43,482.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,708.01 : 76,869.65 = 31,512.27 : x
  2. Step 2: Convert to fraction form
    55,708.01/76,869.65 = 31,512.27/x
  3. Step 3: Cross multiply
    55,708.01x = 76,869.65 × 31,512.27
  4. Step 4: Simplify right side
    55,708.01x = 2,422,337,200.22
  5. Step 5: Solve for x
    x = 2,422,337,200.22/55,708.01
  6. Step 6: Final answer
    x = 43,482.75

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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.