Home / 87,701.16-131,558.58-31,548.57

Finding the Fourth Proportional to 87,701.16, 131,558.58 and 31,548.57

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Solution

The fourth proportional to 87,701.16, 131,558.58 and 31,548.57 is: 47,325.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,701.16 : 131,558.58 = 31,548.57 : x
  2. Step 2: Convert to fraction form
    87,701.16/131,558.58 = 31,548.57/x
  3. Step 3: Cross multiply
    87,701.16x = 131,558.58 × 31,548.57
  4. Step 4: Simplify right side
    87,701.16x = 4,150,485,070.23
  5. Step 5: Solve for x
    x = 4,150,485,070.23/87,701.16
  6. Step 6: Final answer
    x = 47,325.32

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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.