Home / 58,987.37-81,403.82-32,129.81

Finding the Fourth Proportional to 58,987.37, 81,403.82 and 32,129.81

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Solution

The fourth proportional to 58,987.37, 81,403.82 and 32,129.81 is: 44,339.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,987.37 : 81,403.82 = 32,129.81 : x
  2. Step 2: Convert to fraction form
    58,987.37/81,403.82 = 32,129.81/x
  3. Step 3: Cross multiply
    58,987.37x = 81,403.82 × 32,129.81
  4. Step 4: Simplify right side
    58,987.37x = 2,615,489,585.85
  5. Step 5: Solve for x
    x = 2,615,489,585.85/58,987.37
  6. Step 6: Final answer
    x = 44,339.82

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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.