Home / 83,528.02-115,268.27-45,287.43

Finding the Fourth Proportional to 83,528.02, 115,268.27 and 45,287.43

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Solution

The fourth proportional to 83,528.02, 115,268.27 and 45,287.43 is: 62,496.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,528.02 : 115,268.27 = 45,287.43 : x
  2. Step 2: Convert to fraction form
    83,528.02/115,268.27 = 45,287.43/x
  3. Step 3: Cross multiply
    83,528.02x = 115,268.27 × 45,287.43
  4. Step 4: Simplify right side
    83,528.02x = 5,220,203,708.85
  5. Step 5: Solve for x
    x = 5,220,203,708.85/83,528.02
  6. Step 6: Final answer
    x = 62,496.44

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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.