Home / 89,783.88-123,902.26-52,080.52

Finding the Fourth Proportional to 89,783.88, 123,902.26 and 52,080.52

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Solution

The fourth proportional to 89,783.88, 123,902.26 and 52,080.52 is: 71,871.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,783.88 : 123,902.26 = 52,080.52 : x
  2. Step 2: Convert to fraction form
    89,783.88/123,902.26 = 52,080.52/x
  3. Step 3: Cross multiply
    89,783.88x = 123,902.26 × 52,080.52
  4. Step 4: Simplify right side
    89,783.88x = 6,452,894,129.98
  5. Step 5: Solve for x
    x = 6,452,894,129.98/89,783.88
  6. Step 6: Final answer
    x = 71,871.41

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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.