Home / 85,217.10-127,814.45-26,058.70

Finding the Fourth Proportional to 85,217.10, 127,814.45 and 26,058.70

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Solution

The fourth proportional to 85,217.10, 127,814.45 and 26,058.70 is: 39,084.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,217.10 : 127,814.45 = 26,058.70 : x
  2. Step 2: Convert to fraction form
    85,217.10/127,814.45 = 26,058.70/x
  3. Step 3: Cross multiply
    85,217.10x = 127,814.45 × 26,058.70
  4. Step 4: Simplify right side
    85,217.10x = 3,330,678,408.22
  5. Step 5: Solve for x
    x = 3,330,678,408.22/85,217.10
  6. Step 6: Final answer
    x = 39,084.63

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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.