Home / 56,865.09-85,371.54-43,726.68

Finding the Fourth Proportional to 56,865.09, 85,371.54 and 43,726.68

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Solution

The fourth proportional to 56,865.09, 85,371.54 and 43,726.68 is: 65,646.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,865.09 : 85,371.54 = 43,726.68 : x
  2. Step 2: Convert to fraction form
    56,865.09/85,371.54 = 43,726.68/x
  3. Step 3: Cross multiply
    56,865.09x = 85,371.54 × 43,726.68
  4. Step 4: Simplify right side
    56,865.09x = 3,733,014,010.69
  5. Step 5: Solve for x
    x = 3,733,014,010.69/56,865.09
  6. Step 6: Final answer
    x = 65,646.86

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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.