Home / 76,136.41-114,129.28-36,085.01

Finding the Fourth Proportional to 76,136.41, 114,129.28 and 36,085.01

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Solution

The fourth proportional to 76,136.41, 114,129.28 and 36,085.01 is: 54,091.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,136.41 : 114,129.28 = 36,085.01 : x
  2. Step 2: Convert to fraction form
    76,136.41/114,129.28 = 36,085.01/x
  3. Step 3: Cross multiply
    76,136.41x = 114,129.28 × 36,085.01
  4. Step 4: Simplify right side
    76,136.41x = 4,118,355,684.55
  5. Step 5: Solve for x
    x = 4,118,355,684.55/76,136.41
  6. Step 6: Final answer
    x = 54,091.80

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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.