Home / 56,722.01-85,073.67-21,173.99

Finding the Fourth Proportional to 56,722.01, 85,073.67 and 21,173.99

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Solution

The fourth proportional to 56,722.01, 85,073.67 and 21,173.99 is: 31,757.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,722.01 : 85,073.67 = 21,173.99 : x
  2. Step 2: Convert to fraction form
    56,722.01/85,073.67 = 21,173.99/x
  3. Step 3: Cross multiply
    56,722.01x = 85,073.67 × 21,173.99
  4. Step 4: Simplify right side
    56,722.01x = 1,801,348,612.47
  5. Step 5: Solve for x
    x = 1,801,348,612.47/56,722.01
  6. Step 6: Final answer
    x = 31,757.49

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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.