Home / 56,898.80-78,507.78-33,011.64

Finding the Fourth Proportional to 56,898.80, 78,507.78 and 33,011.64

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Solution

The fourth proportional to 56,898.80, 78,507.78 and 33,011.64 is: 45,548.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,898.80 : 78,507.78 = 33,011.64 : x
  2. Step 2: Convert to fraction form
    56,898.80/78,507.78 = 33,011.64/x
  3. Step 3: Cross multiply
    56,898.80x = 78,507.78 × 33,011.64
  4. Step 4: Simplify right side
    56,898.80x = 2,591,670,570.56
  5. Step 5: Solve for x
    x = 2,591,670,570.56/56,898.80
  6. Step 6: Final answer
    x = 45,548.77

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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.