Home / 85,217.48-127,883.82-29,813.96

Finding the Fourth Proportional to 85,217.48, 127,883.82 and 29,813.96

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Solution

The fourth proportional to 85,217.48, 127,883.82 and 29,813.96 is: 44,741.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,217.48 : 127,883.82 = 29,813.96 : x
  2. Step 2: Convert to fraction form
    85,217.48/127,883.82 = 29,813.96/x
  3. Step 3: Cross multiply
    85,217.48x = 127,883.82 × 29,813.96
  4. Step 4: Simplify right side
    85,217.48x = 3,812,723,094.13
  5. Step 5: Solve for x
    x = 3,812,723,094.13/85,217.48
  6. Step 6: Final answer
    x = 44,741.09

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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.