Home / 57,988.04-87,015.54-31,334.12

Finding the Fourth Proportional to 57,988.04, 87,015.54 and 31,334.12

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Solution

The fourth proportional to 57,988.04, 87,015.54 and 31,334.12 is: 47,019.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,988.04 : 87,015.54 = 31,334.12 : x
  2. Step 2: Convert to fraction form
    57,988.04/87,015.54 = 31,334.12/x
  3. Step 3: Cross multiply
    57,988.04x = 87,015.54 × 31,334.12
  4. Step 4: Simplify right side
    57,988.04x = 2,726,555,372.22
  5. Step 5: Solve for x
    x = 2,726,555,372.22/57,988.04
  6. Step 6: Final answer
    x = 47,019.27

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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.