Home / 83,405.02-115,107.17-47,600.42

Finding the Fourth Proportional to 83,405.02, 115,107.17 and 47,600.42

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Solution

The fourth proportional to 83,405.02, 115,107.17 and 47,600.42 is: 65,693.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,405.02 : 115,107.17 = 47,600.42 : x
  2. Step 2: Convert to fraction form
    83,405.02/115,107.17 = 47,600.42/x
  3. Step 3: Cross multiply
    83,405.02x = 115,107.17 × 47,600.42
  4. Step 4: Simplify right side
    83,405.02x = 5,479,149,637.01
  5. Step 5: Solve for x
    x = 5,479,149,637.01/83,405.02
  6. Step 6: Final answer
    x = 65,693.28

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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.