Home / 85,695.39-128,493.77-33,097.95

Finding the Fourth Proportional to 85,695.39, 128,493.77 and 33,097.95

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Solution

The fourth proportional to 85,695.39, 128,493.77 and 33,097.95 is: 49,627.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,695.39 : 128,493.77 = 33,097.95 : x
  2. Step 2: Convert to fraction form
    85,695.39/128,493.77 = 33,097.95/x
  3. Step 3: Cross multiply
    85,695.39x = 128,493.77 × 33,097.95
  4. Step 4: Simplify right side
    85,695.39x = 4,252,880,209.28
  5. Step 5: Solve for x
    x = 4,252,880,209.28/85,695.39
  6. Step 6: Final answer
    x = 49,627.88

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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.