Home / 55,078.48-82,617.55-15,635.62

Finding the Fourth Proportional to 55,078.48, 82,617.55 and 15,635.62

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Solution

The fourth proportional to 55,078.48, 82,617.55 and 15,635.62 is: 23,453.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,078.48 : 82,617.55 = 15,635.62 : x
  2. Step 2: Convert to fraction form
    55,078.48/82,617.55 = 15,635.62/x
  3. Step 3: Cross multiply
    55,078.48x = 82,617.55 × 15,635.62
  4. Step 4: Simplify right side
    55,078.48x = 1,291,776,617.13
  5. Step 5: Solve for x
    x = 1,291,776,617.13/55,078.48
  6. Step 6: Final answer
    x = 23,453.38

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1.5x scale

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.