Home / 85,327.04-127,997.40-22,996.64

Finding the Fourth Proportional to 85,327.04, 127,997.40 and 22,996.64

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Solution

The fourth proportional to 85,327.04, 127,997.40 and 22,996.64 is: 34,496.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,327.04 : 127,997.40 = 22,996.64 : x
  2. Step 2: Convert to fraction form
    85,327.04/127,997.40 = 22,996.64/x
  3. Step 3: Cross multiply
    85,327.04x = 127,997.40 × 22,996.64
  4. Step 4: Simplify right side
    85,327.04x = 2,943,510,128.74
  5. Step 5: Solve for x
    x = 2,943,510,128.74/85,327.04
  6. Step 6: Final answer
    x = 34,496.80

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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.