Home / 85,334.16-127,997.64-26,166.72

Finding the Fourth Proportional to 85,334.16, 127,997.64 and 26,166.72

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Solution

The fourth proportional to 85,334.16, 127,997.64 and 26,166.72 is: 39,248.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,334.16 : 127,997.64 = 26,166.72 : x
  2. Step 2: Convert to fraction form
    85,334.16/127,997.64 = 26,166.72/x
  3. Step 3: Cross multiply
    85,334.16x = 127,997.64 × 26,166.72
  4. Step 4: Simplify right side
    85,334.16x = 3,349,278,406.54
  5. Step 5: Solve for x
    x = 3,349,278,406.54/85,334.16
  6. Step 6: Final answer
    x = 39,248.98

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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.