Home / 71,941.58-99,281.12-39,676.66

Finding the Fourth Proportional to 71,941.58, 99,281.12 and 39,676.66

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Solution

The fourth proportional to 71,941.58, 99,281.12 and 39,676.66 is: 54,754.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,941.58 : 99,281.12 = 39,676.66 : x
  2. Step 2: Convert to fraction form
    71,941.58/99,281.12 = 39,676.66/x
  3. Step 3: Cross multiply
    71,941.58x = 99,281.12 × 39,676.66
  4. Step 4: Simplify right side
    71,941.58x = 3,939,143,242.66
  5. Step 5: Solve for x
    x = 3,939,143,242.66/71,941.58
  6. Step 6: Final answer
    x = 54,754.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.