Home / 40,086.48-60,136.20-16,715.28

Finding the Fourth Proportional to 40,086.48, 60,136.20 and 16,715.28

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Solution

The fourth proportional to 40,086.48, 60,136.20 and 16,715.28 is: 25,075.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,086.48 : 60,136.20 = 16,715.28 : x
  2. Step 2: Convert to fraction form
    40,086.48/60,136.20 = 16,715.28/x
  3. Step 3: Cross multiply
    40,086.48x = 60,136.20 × 16,715.28
  4. Step 4: Simplify right side
    40,086.48x = 1,005,193,421.14
  5. Step 5: Solve for x
    x = 1,005,193,421.14/40,086.48
  6. Step 6: Final answer
    x = 25,075.62

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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.