Home / 55,362.24-76,412.16-35,215.20

Finding the Fourth Proportional to 55,362.24, 76,412.16 and 35,215.20

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Solution

The fourth proportional to 55,362.24, 76,412.16 and 35,215.20 is: 48,604.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,362.24 : 76,412.16 = 35,215.20 : x
  2. Step 2: Convert to fraction form
    55,362.24/76,412.16 = 35,215.20/x
  3. Step 3: Cross multiply
    55,362.24x = 76,412.16 × 35,215.20
  4. Step 4: Simplify right side
    55,362.24x = 2,690,869,496.83
  5. Step 5: Solve for x
    x = 2,690,869,496.83/55,362.24
  6. Step 6: Final answer
    x = 48,604.78

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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.