Home / 58,177.08-87,273.82-20,729.12

Finding the Fourth Proportional to 58,177.08, 87,273.82 and 20,729.12

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Solution

The fourth proportional to 58,177.08, 87,273.82 and 20,729.12 is: 31,096.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,177.08 : 87,273.82 = 20,729.12 : x
  2. Step 2: Convert to fraction form
    58,177.08/87,273.82 = 20,729.12/x
  3. Step 3: Cross multiply
    58,177.08x = 87,273.82 × 20,729.12
  4. Step 4: Simplify right side
    58,177.08x = 1,809,109,487.64
  5. Step 5: Solve for x
    x = 1,809,109,487.64/58,177.08
  6. Step 6: Final answer
    x = 31,096.60

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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.