Home / 55,983.33-77,241.69-38,968.47

Finding the Fourth Proportional to 55,983.33, 77,241.69 and 38,968.47

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Solution

The fourth proportional to 55,983.33, 77,241.69 and 38,968.47 is: 53,765.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,983.33 : 77,241.69 = 38,968.47 : x
  2. Step 2: Convert to fraction form
    55,983.33/77,241.69 = 38,968.47/x
  3. Step 3: Cross multiply
    55,983.33x = 77,241.69 × 38,968.47
  4. Step 4: Simplify right side
    55,983.33x = 3,009,990,479.51
  5. Step 5: Solve for x
    x = 3,009,990,479.51/55,983.33
  6. Step 6: Final answer
    x = 53,765.83

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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.