Home / 55,142.48-76,096.84-29,992.08

Finding the Fourth Proportional to 55,142.48, 76,096.84 and 29,992.08

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Solution

The fourth proportional to 55,142.48, 76,096.84 and 29,992.08 is: 41,389.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,142.48 : 76,096.84 = 29,992.08 : x
  2. Step 2: Convert to fraction form
    55,142.48/76,096.84 = 29,992.08/x
  3. Step 3: Cross multiply
    55,142.48x = 76,096.84 × 29,992.08
  4. Step 4: Simplify right side
    55,142.48x = 2,282,302,513.03
  5. Step 5: Solve for x
    x = 2,282,302,513.03/55,142.48
  6. Step 6: Final answer
    x = 41,389.19

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1.5x scale

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.