Home / 55,610.51-76,742.52-30,117.06

Finding the Fourth Proportional to 55,610.51, 76,742.52 and 30,117.06

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Solution

The fourth proportional to 55,610.51, 76,742.52 and 30,117.06 is: 41,561.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,610.51 : 76,742.52 = 30,117.06 : x
  2. Step 2: Convert to fraction form
    55,610.51/76,742.52 = 30,117.06/x
  3. Step 3: Cross multiply
    55,610.51x = 76,742.52 × 30,117.06
  4. Step 4: Simplify right side
    55,610.51x = 2,311,259,079.39
  5. Step 5: Solve for x
    x = 2,311,259,079.39/55,610.51
  6. Step 6: Final answer
    x = 41,561.56

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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.