Home / 90,996.72-125,575.58-50,709.58

Finding the Fourth Proportional to 90,996.72, 125,575.58 and 50,709.58

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Solution

The fourth proportional to 90,996.72, 125,575.58 and 50,709.58 is: 69,979.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,996.72 : 125,575.58 = 50,709.58 : x
  2. Step 2: Convert to fraction form
    90,996.72/125,575.58 = 50,709.58/x
  3. Step 3: Cross multiply
    90,996.72x = 125,575.58 × 50,709.58
  4. Step 4: Simplify right side
    90,996.72x = 6,367,884,732.89
  5. Step 5: Solve for x
    x = 6,367,884,732.89/90,996.72
  6. Step 6: Final answer
    x = 69,979.28

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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.