Home / 55,066.35-75,989.11-31,192.54

Finding the Fourth Proportional to 55,066.35, 75,989.11 and 31,192.54

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Solution

The fourth proportional to 55,066.35, 75,989.11 and 31,192.54 is: 43,044.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,066.35 : 75,989.11 = 31,192.54 : x
  2. Step 2: Convert to fraction form
    55,066.35/75,989.11 = 31,192.54/x
  3. Step 3: Cross multiply
    55,066.35x = 75,989.11 × 31,192.54
  4. Step 4: Simplify right side
    55,066.35x = 2,370,293,353.24
  5. Step 5: Solve for x
    x = 2,370,293,353.24/55,066.35
  6. Step 6: Final answer
    x = 43,044.32

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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.