Home / 83,687.04-115,490.88-45,964.80

Finding the Fourth Proportional to 83,687.04, 115,490.88 and 45,964.80

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Solution

The fourth proportional to 83,687.04, 115,490.88 and 45,964.80 is: 63,432.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,687.04 : 115,490.88 = 45,964.80 : x
  2. Step 2: Convert to fraction form
    83,687.04/115,490.88 = 45,964.80/x
  3. Step 3: Cross multiply
    83,687.04x = 115,490.88 × 45,964.80
  4. Step 4: Simplify right side
    83,687.04x = 5,308,515,201.02
  5. Step 5: Solve for x
    x = 5,308,515,201.02/83,687.04
  6. Step 6: Final answer
    x = 63,432.94

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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.