Home / 55,402.27-76,445.01-31,199.47

Finding the Fourth Proportional to 55,402.27, 76,445.01 and 31,199.47

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Solution

The fourth proportional to 55,402.27, 76,445.01 and 31,199.47 is: 43,049.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,402.27 : 76,445.01 = 31,199.47 : x
  2. Step 2: Convert to fraction form
    55,402.27/76,445.01 = 31,199.47/x
  3. Step 3: Cross multiply
    55,402.27x = 76,445.01 × 31,199.47
  4. Step 4: Simplify right side
    55,402.27x = 2,385,043,796.14
  5. Step 5: Solve for x
    x = 2,385,043,796.14/55,402.27
  6. Step 6: Final answer
    x = 43,049.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.