Home / 115,063.52-172,618.80-48,503.64

Finding the Fourth Proportional to 115,063.52, 172,618.80 and 48,503.64

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Solution

The fourth proportional to 115,063.52, 172,618.80 and 48,503.64 is: 72,765.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,063.52 : 172,618.80 = 48,503.64 : x
  2. Step 2: Convert to fraction form
    115,063.52/172,618.80 = 48,503.64/x
  3. Step 3: Cross multiply
    115,063.52x = 172,618.80 × 48,503.64
  4. Step 4: Simplify right side
    115,063.52x = 8,372,640,132.43
  5. Step 5: Solve for x
    x = 8,372,640,132.43/115,063.52
  6. Step 6: Final answer
    x = 72,765.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.