Home / 88,179.52-121,685.34-50,451.34

Finding the Fourth Proportional to 88,179.52, 121,685.34 and 50,451.34

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Solution

The fourth proportional to 88,179.52, 121,685.34 and 50,451.34 is: 69,621.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,179.52 : 121,685.34 = 50,451.34 : x
  2. Step 2: Convert to fraction form
    88,179.52/121,685.34 = 50,451.34/x
  3. Step 3: Cross multiply
    88,179.52x = 121,685.34 × 50,451.34
  4. Step 4: Simplify right side
    88,179.52x = 6,139,188,461.36
  5. Step 5: Solve for x
    x = 6,139,188,461.36/88,179.52
  6. Step 6: Final answer
    x = 69,621.48

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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.