Home / 71,024.10-106,536.15-39,855.30

Finding the Fourth Proportional to 71,024.10, 106,536.15 and 39,855.30

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Solution

The fourth proportional to 71,024.10, 106,536.15 and 39,855.30 is: 59,782.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,024.10 : 106,536.15 = 39,855.30 : x
  2. Step 2: Convert to fraction form
    71,024.10/106,536.15 = 39,855.30/x
  3. Step 3: Cross multiply
    71,024.10x = 106,536.15 × 39,855.30
  4. Step 4: Simplify right side
    71,024.10x = 4,246,030,219.10
  5. Step 5: Solve for x
    x = 4,246,030,219.10/71,024.10
  6. Step 6: Final answer
    x = 59,782.95

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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.