Home / 98,086.70-135,338.10-62,263.64

Finding the Fourth Proportional to 98,086.70, 135,338.10 and 62,263.64

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Solution

The fourth proportional to 98,086.70, 135,338.10 and 62,263.64 is: 85,910.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,086.70 : 135,338.10 = 62,263.64 : x
  2. Step 2: Convert to fraction form
    98,086.70/135,338.10 = 62,263.64/x
  3. Step 3: Cross multiply
    98,086.70x = 135,338.10 × 62,263.64
  4. Step 4: Simplify right side
    98,086.70x = 8,426,642,736.68
  5. Step 5: Solve for x
    x = 8,426,642,736.68/98,086.70
  6. Step 6: Final answer
    x = 85,910.15

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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.