Home / 57,989.48-87,011.66-31,693.44

Finding the Fourth Proportional to 57,989.48, 87,011.66 and 31,693.44

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Solution

The fourth proportional to 57,989.48, 87,011.66 and 31,693.44 is: 47,555.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,989.48 : 87,011.66 = 31,693.44 : x
  2. Step 2: Convert to fraction form
    57,989.48/87,011.66 = 31,693.44/x
  3. Step 3: Cross multiply
    57,989.48x = 87,011.66 × 31,693.44
  4. Step 4: Simplify right side
    57,989.48x = 2,757,698,904.74
  5. Step 5: Solve for x
    x = 2,757,698,904.74/57,989.48
  6. Step 6: Final answer
    x = 47,555.16

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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.