Home / 92,997.18-128,327.90-51,605.21

Finding the Fourth Proportional to 92,997.18, 128,327.90 and 51,605.21

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Solution

The fourth proportional to 92,997.18, 128,327.90 and 51,605.21 is: 71,210.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,997.18 : 128,327.90 = 51,605.21 : x
  2. Step 2: Convert to fraction form
    92,997.18/128,327.90 = 51,605.21/x
  3. Step 3: Cross multiply
    92,997.18x = 128,327.90 × 51,605.21
  4. Step 4: Simplify right side
    92,997.18x = 6,622,388,228.36
  5. Step 5: Solve for x
    x = 6,622,388,228.36/92,997.18
  6. Step 6: Final answer
    x = 71,210.63

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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.