Home / 58,989.20-81,405.70-32,131.90

Finding the Fourth Proportional to 58,989.20, 81,405.70 and 32,131.90

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Solution

The fourth proportional to 58,989.20, 81,405.70 and 32,131.90 is: 44,342.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,989.20 : 81,405.70 = 32,131.90 : x
  2. Step 2: Convert to fraction form
    58,989.20/81,405.70 = 32,131.90/x
  3. Step 3: Cross multiply
    58,989.20x = 81,405.70 × 32,131.90
  4. Step 4: Simplify right side
    58,989.20x = 2,615,719,811.83
  5. Step 5: Solve for x
    x = 2,615,719,811.83/58,989.20
  6. Step 6: Final answer
    x = 44,342.35

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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.