Home / 55,154.47-82,731.72-38,546.94

Finding the Fourth Proportional to 55,154.47, 82,731.72 and 38,546.94

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Solution

The fourth proportional to 55,154.47, 82,731.72 and 38,546.94 is: 57,820.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,154.47 : 82,731.72 = 38,546.94 : x
  2. Step 2: Convert to fraction form
    55,154.47/82,731.72 = 38,546.94/x
  3. Step 3: Cross multiply
    55,154.47x = 82,731.72 × 38,546.94
  4. Step 4: Simplify right side
    55,154.47x = 3,189,054,646.94
  5. Step 5: Solve for x
    x = 3,189,054,646.94/55,154.47
  6. Step 6: Final answer
    x = 57,820.42

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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.