Home / 57,923.30-86,726.90-43,840.72

Finding the Fourth Proportional to 57,923.30, 86,726.90 and 43,840.72

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Solution

The fourth proportional to 57,923.30, 86,726.90 and 43,840.72 is: 65,641.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,923.30 : 86,726.90 = 43,840.72 : x
  2. Step 2: Convert to fraction form
    57,923.30/86,726.90 = 43,840.72/x
  3. Step 3: Cross multiply
    57,923.30x = 86,726.90 × 43,840.72
  4. Step 4: Simplify right side
    57,923.30x = 3,802,169,739.37
  5. Step 5: Solve for x
    x = 3,802,169,739.37/57,923.30
  6. Step 6: Final answer
    x = 65,641.46

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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.