Home / 87,725.04-121,057.56-50,011.44

Finding the Fourth Proportional to 87,725.04, 121,057.56 and 50,011.44

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Solution

The fourth proportional to 87,725.04, 121,057.56 and 50,011.44 is: 69,014.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,725.04 : 121,057.56 = 50,011.44 : x
  2. Step 2: Convert to fraction form
    87,725.04/121,057.56 = 50,011.44/x
  3. Step 3: Cross multiply
    87,725.04x = 121,057.56 × 50,011.44
  4. Step 4: Simplify right side
    87,725.04x = 6,054,262,898.49
  5. Step 5: Solve for x
    x = 6,054,262,898.49/87,725.04
  6. Step 6: Final answer
    x = 69,014.08

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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.