Home / 55,626.33-76,763.75-30,475.77

Finding the Fourth Proportional to 55,626.33, 76,763.75 and 30,475.77

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Solution

The fourth proportional to 55,626.33, 76,763.75 and 30,475.77 is: 42,056.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,626.33 : 76,763.75 = 30,475.77 : x
  2. Step 2: Convert to fraction form
    55,626.33/76,763.75 = 30,475.77/x
  3. Step 3: Cross multiply
    55,626.33x = 76,763.75 × 30,475.77
  4. Step 4: Simplify right side
    55,626.33x = 2,339,434,236.96
  5. Step 5: Solve for x
    x = 2,339,434,236.96/55,626.33
  6. Step 6: Final answer
    x = 42,056.24

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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.