Home / 88,204.94-121,725.15-50,491.34

Finding the Fourth Proportional to 88,204.94, 121,725.15 and 50,491.34

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Solution

The fourth proportional to 88,204.94, 121,725.15 and 50,491.34 is: 69,679.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,204.94 : 121,725.15 = 50,491.34 : x
  2. Step 2: Convert to fraction form
    88,204.94/121,725.15 = 50,491.34/x
  3. Step 3: Cross multiply
    88,204.94x = 121,725.15 × 50,491.34
  4. Step 4: Simplify right side
    88,204.94x = 6,146,065,935.20
  5. Step 5: Solve for x
    x = 6,146,065,935.20/88,204.94
  6. Step 6: Final answer
    x = 69,679.38

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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.