Home / 83,453.63-115,166.07-45,727.88

Finding the Fourth Proportional to 83,453.63, 115,166.07 and 45,727.88

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Solution

The fourth proportional to 83,453.63, 115,166.07 and 45,727.88 is: 63,104.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,453.63 : 115,166.07 = 45,727.88 : x
  2. Step 2: Convert to fraction form
    83,453.63/115,166.07 = 45,727.88/x
  3. Step 3: Cross multiply
    83,453.63x = 115,166.07 × 45,727.88
  4. Step 4: Simplify right side
    83,453.63x = 5,266,299,653.20
  5. Step 5: Solve for x
    x = 5,266,299,653.20/83,453.63
  6. Step 6: Final answer
    x = 63,104.50

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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.