Home / 87,771.04-131,676-48,307.84

Finding the Fourth Proportional to 87,771.04, 131,676 and 48,307.84

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Solution

The fourth proportional to 87,771.04, 131,676 and 48,307.84 is: 72,472.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,771.04 : 131,676 = 48,307.84 : x
  2. Step 2: Convert to fraction form
    87,771.04/131,676 = 48,307.84/x
  3. Step 3: Cross multiply
    87,771.04x = 131,676 × 48,307.84
  4. Step 4: Simplify right side
    87,771.04x = 6,360,983,139.84
  5. Step 5: Solve for x
    x = 6,360,983,139.84/87,771.04
  6. Step 6: Final answer
    x = 72,472.46

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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.