Home / 92,997.30-128,337.10-50,555.90

Finding the Fourth Proportional to 92,997.30, 128,337.10 and 50,555.90

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Solution

The fourth proportional to 92,997.30, 128,337.10 and 50,555.90 is: 69,767.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,997.30 : 128,337.10 = 50,555.90 : x
  2. Step 2: Convert to fraction form
    92,997.30/128,337.10 = 50,555.90/x
  3. Step 3: Cross multiply
    92,997.30x = 128,337.10 × 50,555.90
  4. Step 4: Simplify right side
    92,997.30x = 6,488,197,593.89
  5. Step 5: Solve for x
    x = 6,488,197,593.89/92,997.30
  6. Step 6: Final answer
    x = 69,767.59

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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.