Home / 83,660.52-115,447.46-45,419.24

Finding the Fourth Proportional to 83,660.52, 115,447.46 and 45,419.24

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Solution

The fourth proportional to 83,660.52, 115,447.46 and 45,419.24 is: 62,676.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,660.52 : 115,447.46 = 45,419.24 : x
  2. Step 2: Convert to fraction form
    83,660.52/115,447.46 = 45,419.24/x
  3. Step 3: Cross multiply
    83,660.52x = 115,447.46 × 45,419.24
  4. Step 4: Simplify right side
    83,660.52x = 5,243,535,893.13
  5. Step 5: Solve for x
    x = 5,243,535,893.13/83,660.52
  6. Step 6: Final answer
    x = 62,676.35

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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.