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Finding the Fourth Proportional to 55,136.25, 76,088.61 and 29,986.29

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Solution

The fourth proportional to 55,136.25, 76,088.61 and 29,986.29 is: 41,381.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,136.25 : 76,088.61 = 29,986.29 : x
  2. Step 2: Convert to fraction form
    55,136.25/76,088.61 = 29,986.29/x
  3. Step 3: Cross multiply
    55,136.25x = 76,088.61 × 29,986.29
  4. Step 4: Simplify right side
    55,136.25x = 2,281,615,125.16
  5. Step 5: Solve for x
    x = 2,281,615,125.16/55,136.25
  6. Step 6: Final answer
    x = 41,381.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.