Home / 85,219.19-127,828.78-26,054.86

Finding the Fourth Proportional to 85,219.19, 127,828.78 and 26,054.86

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Solution

The fourth proportional to 85,219.19, 127,828.78 and 26,054.86 is: 39,082.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,219.19 : 127,828.78 = 26,054.86 : x
  2. Step 2: Convert to fraction form
    85,219.19/127,828.78 = 26,054.86/x
  3. Step 3: Cross multiply
    85,219.19x = 127,828.78 × 26,054.86
  4. Step 4: Simplify right side
    85,219.19x = 3,330,560,878.52
  5. Step 5: Solve for x
    x = 3,330,560,878.52/85,219.19
  6. Step 6: Final answer
    x = 39,082.29

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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.