Home / 54,401.76-75,055.68-30,525.12

Finding the Fourth Proportional to 54,401.76, 75,055.68 and 30,525.12

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Solution

The fourth proportional to 54,401.76, 75,055.68 and 30,525.12 is: 42,114.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,401.76 : 75,055.68 = 30,525.12 : x
  2. Step 2: Convert to fraction form
    54,401.76/75,055.68 = 30,525.12/x
  3. Step 3: Cross multiply
    54,401.76x = 75,055.68 × 30,525.12
  4. Step 4: Simplify right side
    54,401.76x = 2,291,083,638.68
  5. Step 5: Solve for x
    x = 2,291,083,638.68/54,401.76
  6. Step 6: Final answer
    x = 42,114.15

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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.