Home / 83,494.04-115,221.83-45,253.94

Finding the Fourth Proportional to 83,494.04, 115,221.83 and 45,253.94

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Solution

The fourth proportional to 83,494.04, 115,221.83 and 45,253.94 is: 62,450.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,494.04 : 115,221.83 = 45,253.94 : x
  2. Step 2: Convert to fraction form
    83,494.04/115,221.83 = 45,253.94/x
  3. Step 3: Cross multiply
    83,494.04x = 115,221.83 × 45,253.94
  4. Step 4: Simplify right side
    83,494.04x = 5,214,240,979.13
  5. Step 5: Solve for x
    x = 5,214,240,979.13/83,494.04
  6. Step 6: Final answer
    x = 62,450.46

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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.