Home / 54,117.22-74,685.08-30,245.80

Finding the Fourth Proportional to 54,117.22, 74,685.08 and 30,245.80

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Solution

The fourth proportional to 54,117.22, 74,685.08 and 30,245.80 is: 41,741.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,117.22 : 74,685.08 = 30,245.80 : x
  2. Step 2: Convert to fraction form
    54,117.22/74,685.08 = 30,245.80/x
  3. Step 3: Cross multiply
    54,117.22x = 74,685.08 × 30,245.80
  4. Step 4: Simplify right side
    54,117.22x = 2,258,909,992.66
  5. Step 5: Solve for x
    x = 2,258,909,992.66/54,117.22
  6. Step 6: Final answer
    x = 41,741.06

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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.