Home / 41,136.64-61,681.68-13,051.36

Finding the Fourth Proportional to 41,136.64, 61,681.68 and 13,051.36

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Solution

The fourth proportional to 41,136.64, 61,681.68 and 13,051.36 is: 19,569.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,136.64 : 61,681.68 = 13,051.36 : x
  2. Step 2: Convert to fraction form
    41,136.64/61,681.68 = 13,051.36/x
  3. Step 3: Cross multiply
    41,136.64x = 61,681.68 × 13,051.36
  4. Step 4: Simplify right side
    41,136.64x = 805,029,811.08
  5. Step 5: Solve for x
    x = 805,029,811.08/41,136.64
  6. Step 6: Final answer
    x = 19,569.65

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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.