Home / 56,090.42-84,117.37-18,640.44

Finding the Fourth Proportional to 56,090.42, 84,117.37 and 18,640.44

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Solution

The fourth proportional to 56,090.42, 84,117.37 and 18,640.44 is: 27,954.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,090.42 : 84,117.37 = 18,640.44 : x
  2. Step 2: Convert to fraction form
    56,090.42/84,117.37 = 18,640.44/x
  3. Step 3: Cross multiply
    56,090.42x = 84,117.37 × 18,640.44
  4. Step 4: Simplify right side
    56,090.42x = 1,567,984,829.22
  5. Step 5: Solve for x
    x = 1,567,984,829.22/56,090.42
  6. Step 6: Final answer
    x = 27,954.59

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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.