Home / 55,659.20-76,812.82-33,011.60

Finding the Fourth Proportional to 55,659.20, 76,812.82 and 33,011.60

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Solution

The fourth proportional to 55,659.20, 76,812.82 and 33,011.60 is: 45,557.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,659.20 : 76,812.82 = 33,011.60 : x
  2. Step 2: Convert to fraction form
    55,659.20/76,812.82 = 33,011.60/x
  3. Step 3: Cross multiply
    55,659.20x = 76,812.82 × 33,011.60
  4. Step 4: Simplify right side
    55,659.20x = 2,535,714,088.71
  5. Step 5: Solve for x
    x = 2,535,714,088.71/55,659.20
  6. Step 6: Final answer
    x = 45,557.86

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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.