Home / 55,293.64-76,305.04-30,143.14

Finding the Fourth Proportional to 55,293.64, 76,305.04 and 30,143.14

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Solution

The fourth proportional to 55,293.64, 76,305.04 and 30,143.14 is: 41,597.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,293.64 : 76,305.04 = 30,143.14 : x
  2. Step 2: Convert to fraction form
    55,293.64/76,305.04 = 30,143.14/x
  3. Step 3: Cross multiply
    55,293.64x = 76,305.04 × 30,143.14
  4. Step 4: Simplify right side
    55,293.64x = 2,300,073,503.43
  5. Step 5: Solve for x
    x = 2,300,073,503.43/55,293.64
  6. Step 6: Final answer
    x = 41,597.43

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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.