Home / 55,475.68-76,550.40-32,815.48

Finding the Fourth Proportional to 55,475.68, 76,550.40 and 32,815.48

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Solution

The fourth proportional to 55,475.68, 76,550.40 and 32,815.48 is: 45,281.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,475.68 : 76,550.40 = 32,815.48 : x
  2. Step 2: Convert to fraction form
    55,475.68/76,550.40 = 32,815.48/x
  3. Step 3: Cross multiply
    55,475.68x = 76,550.40 × 32,815.48
  4. Step 4: Simplify right side
    55,475.68x = 2,512,038,120.19
  5. Step 5: Solve for x
    x = 2,512,038,120.19/55,475.68
  6. Step 6: Final answer
    x = 45,281.79

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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.