Home / 58,091.21-87,129.88-15,975.57

Finding the Fourth Proportional to 58,091.21, 87,129.88 and 15,975.57

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Solution

The fourth proportional to 58,091.21, 87,129.88 and 15,975.57 is: 23,961.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,091.21 : 87,129.88 = 15,975.57 : x
  2. Step 2: Convert to fraction form
    58,091.21/87,129.88 = 15,975.57/x
  3. Step 3: Cross multiply
    58,091.21x = 87,129.88 × 15,975.57
  4. Step 4: Simplify right side
    58,091.21x = 1,391,949,497.03
  5. Step 5: Solve for x
    x = 1,391,949,497.03/58,091.21
  6. Step 6: Final answer
    x = 23,961.45

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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.