Home / 74,181.68-110,558.82-73,000.72

Finding the Fourth Proportional to 74,181.68, 110,558.82 and 73,000.72

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Solution

The fourth proportional to 74,181.68, 110,558.82 and 73,000.72 is: 108,798.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,181.68 : 110,558.82 = 73,000.72 : x
  2. Step 2: Convert to fraction form
    74,181.68/110,558.82 = 73,000.72/x
  3. Step 3: Cross multiply
    74,181.68x = 110,558.82 × 73,000.72
  4. Step 4: Simplify right side
    74,181.68x = 8,070,873,462.35
  5. Step 5: Solve for x
    x = 8,070,873,462.35/74,181.68
  6. Step 6: Final answer
    x = 108,798.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.