Home / 55,136.66-76,088.63-29,986.16

Finding the Fourth Proportional to 55,136.66, 76,088.63 and 29,986.16

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Solution

The fourth proportional to 55,136.66, 76,088.63 and 29,986.16 is: 41,380.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,136.66 : 76,088.63 = 29,986.16 : x
  2. Step 2: Convert to fraction form
    55,136.66/76,088.63 = 29,986.16/x
  3. Step 3: Cross multiply
    55,136.66x = 76,088.63 × 29,986.16
  4. Step 4: Simplify right side
    55,136.66x = 2,281,605,527.88
  5. Step 5: Solve for x
    x = 2,281,605,527.88/55,136.66
  6. Step 6: Final answer
    x = 41,380.92

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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.