Home / 85,334.87-127,997.52-26,170.38

Finding the Fourth Proportional to 85,334.87, 127,997.52 and 26,170.38

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Solution

The fourth proportional to 85,334.87, 127,997.52 and 26,170.38 is: 39,254.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,334.87 : 127,997.52 = 26,170.38 : x
  2. Step 2: Convert to fraction form
    85,334.87/127,997.52 = 26,170.38/x
  3. Step 3: Cross multiply
    85,334.87x = 127,997.52 × 26,170.38
  4. Step 4: Simplify right side
    85,334.87x = 3,349,743,639.32
  5. Step 5: Solve for x
    x = 3,349,743,639.32/85,334.87
  6. Step 6: Final answer
    x = 39,254.10

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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.