Home / 54,547.12-81,820.68-15,104.22

Finding the Fourth Proportional to 54,547.12, 81,820.68 and 15,104.22

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Solution

The fourth proportional to 54,547.12, 81,820.68 and 15,104.22 is: 22,656.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,547.12 : 81,820.68 = 15,104.22 : x
  2. Step 2: Convert to fraction form
    54,547.12/81,820.68 = 15,104.22/x
  3. Step 3: Cross multiply
    54,547.12x = 81,820.68 × 15,104.22
  4. Step 4: Simplify right side
    54,547.12x = 1,235,837,551.27
  5. Step 5: Solve for x
    x = 1,235,837,551.27/54,547.12
  6. Step 6: Final answer
    x = 22,656.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.