Home / 58,729.96-81,047.61-31,872.46

Finding the Fourth Proportional to 58,729.96, 81,047.61 and 31,872.46

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Solution

The fourth proportional to 58,729.96, 81,047.61 and 31,872.46 is: 43,984.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,729.96 : 81,047.61 = 31,872.46 : x
  2. Step 2: Convert to fraction form
    58,729.96/81,047.61 = 31,872.46/x
  3. Step 3: Cross multiply
    58,729.96x = 81,047.61 × 31,872.46
  4. Step 4: Simplify right side
    58,729.96x = 2,583,186,974.75
  5. Step 5: Solve for x
    x = 2,583,186,974.75/58,729.96
  6. Step 6: Final answer
    x = 43,984.14

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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.