Home / 55,166.58-76,130.64-30,016.08

Finding the Fourth Proportional to 55,166.58, 76,130.64 and 30,016.08

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Solution

The fourth proportional to 55,166.58, 76,130.64 and 30,016.08 is: 41,422.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,166.58 : 76,130.64 = 30,016.08 : x
  2. Step 2: Convert to fraction form
    55,166.58/76,130.64 = 30,016.08/x
  3. Step 3: Cross multiply
    55,166.58x = 76,130.64 × 30,016.08
  4. Step 4: Simplify right side
    55,166.58x = 2,285,143,380.69
  5. Step 5: Solve for x
    x = 2,285,143,380.69/55,166.58
  6. Step 6: Final answer
    x = 41,422.60

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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.