Home / 55,593.90-76,719.20-30,100.08

Finding the Fourth Proportional to 55,593.90, 76,719.20 and 30,100.08

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Solution

The fourth proportional to 55,593.90, 76,719.20 and 30,100.08 is: 41,537.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,593.90 : 76,719.20 = 30,100.08 : x
  2. Step 2: Convert to fraction form
    55,593.90/76,719.20 = 30,100.08/x
  3. Step 3: Cross multiply
    55,593.90x = 76,719.20 × 30,100.08
  4. Step 4: Simplify right side
    55,593.90x = 2,309,254,057.54
  5. Step 5: Solve for x
    x = 2,309,254,057.54/55,593.90
  6. Step 6: Final answer
    x = 41,537.90

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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.