Home / 85,330.62-127,997.78-26,164.98

Finding the Fourth Proportional to 85,330.62, 127,997.78 and 26,164.98

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Solution

The fourth proportional to 85,330.62, 127,997.78 and 26,164.98 is: 39,248.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,330.62 : 127,997.78 = 26,164.98 : x
  2. Step 2: Convert to fraction form
    85,330.62/127,997.78 = 26,164.98/x
  3. Step 3: Cross multiply
    85,330.62x = 127,997.78 × 26,164.98
  4. Step 4: Simplify right side
    85,330.62x = 3,349,059,222.92
  5. Step 5: Solve for x
    x = 3,349,059,222.92/85,330.62
  6. Step 6: Final answer
    x = 39,248.04

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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.