Home / 54,768.15-75,562.34-30,565.22

Finding the Fourth Proportional to 54,768.15, 75,562.34 and 30,565.22

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Solution

The fourth proportional to 54,768.15, 75,562.34 and 30,565.22 is: 42,170.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,768.15 : 75,562.34 = 30,565.22 : x
  2. Step 2: Convert to fraction form
    54,768.15/75,562.34 = 30,565.22/x
  3. Step 3: Cross multiply
    54,768.15x = 75,562.34 × 30,565.22
  4. Step 4: Simplify right side
    54,768.15x = 2,309,579,015.18
  5. Step 5: Solve for x
    x = 2,309,579,015.18/54,768.15
  6. Step 6: Final answer
    x = 42,170.11

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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.