Home / 87,465.18-131,197.80-48,271.41

Finding the Fourth Proportional to 87,465.18, 131,197.80 and 48,271.41

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Solution

The fourth proportional to 87,465.18, 131,197.80 and 48,271.41 is: 72,407.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,465.18 : 131,197.80 = 48,271.41 : x
  2. Step 2: Convert to fraction form
    87,465.18/131,197.80 = 48,271.41/x
  3. Step 3: Cross multiply
    87,465.18x = 131,197.80 × 48,271.41
  4. Step 4: Simplify right side
    87,465.18x = 6,333,102,794.90
  5. Step 5: Solve for x
    x = 6,333,102,794.90/87,465.18
  6. Step 6: Final answer
    x = 72,407.13

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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.