Home / 43,136.54-64,621.88-26,447.91

Finding the Fourth Proportional to 43,136.54, 64,621.88 and 26,447.91

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Solution

The fourth proportional to 43,136.54, 64,621.88 and 26,447.91 is: 39,621.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,136.54 : 64,621.88 = 26,447.91 : x
  2. Step 2: Convert to fraction form
    43,136.54/64,621.88 = 26,447.91/x
  3. Step 3: Cross multiply
    43,136.54x = 64,621.88 × 26,447.91
  4. Step 4: Simplify right side
    43,136.54x = 1,709,113,666.27
  5. Step 5: Solve for x
    x = 1,709,113,666.27/43,136.54
  6. Step 6: Final answer
    x = 39,621.02

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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.