Home / 75,127.80-103,676.58-41,136.60

Finding the Fourth Proportional to 75,127.80, 103,676.58 and 41,136.60

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Solution

The fourth proportional to 75,127.80, 103,676.58 and 41,136.60 is: 56,768.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,127.80 : 103,676.58 = 41,136.60 : x
  2. Step 2: Convert to fraction form
    75,127.80/103,676.58 = 41,136.60/x
  3. Step 3: Cross multiply
    75,127.80x = 103,676.58 × 41,136.60
  4. Step 4: Simplify right side
    75,127.80x = 4,264,902,000.83
  5. Step 5: Solve for x
    x = 4,264,902,000.83/75,127.80
  6. Step 6: Final answer
    x = 56,768.63

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1.5x scale

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.