Home / 85,236.50-127,879.05-29,089.10

Finding the Fourth Proportional to 85,236.50, 127,879.05 and 29,089.10

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Solution

The fourth proportional to 85,236.50, 127,879.05 and 29,089.10 is: 43,641.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,236.50 : 127,879.05 = 29,089.10 : x
  2. Step 2: Convert to fraction form
    85,236.50/127,879.05 = 29,089.10/x
  3. Step 3: Cross multiply
    85,236.50x = 127,879.05 × 29,089.10
  4. Step 4: Simplify right side
    85,236.50x = 3,719,886,473.36
  5. Step 5: Solve for x
    x = 3,719,886,473.36/85,236.50
  6. Step 6: Final answer
    x = 43,641.94

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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.