Home / 55,241.51-76,230.56-31,365.05

Finding the Fourth Proportional to 55,241.51, 76,230.56 and 31,365.05

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Solution

The fourth proportional to 55,241.51, 76,230.56 and 31,365.05 is: 43,282.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,241.51 : 76,230.56 = 31,365.05 : x
  2. Step 2: Convert to fraction form
    55,241.51/76,230.56 = 31,365.05/x
  3. Step 3: Cross multiply
    55,241.51x = 76,230.56 × 31,365.05
  4. Step 4: Simplify right side
    55,241.51x = 2,390,975,023.19
  5. Step 5: Solve for x
    x = 2,390,975,023.19/55,241.51
  6. Step 6: Final answer
    x = 43,282.22

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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.