Home / 83,535.36-115,268.46-53,338.36

Finding the Fourth Proportional to 83,535.36, 115,268.46 and 53,338.36

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Solution

The fourth proportional to 83,535.36, 115,268.46 and 53,338.36 is: 73,600.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,535.36 : 115,268.46 = 53,338.36 : x
  2. Step 2: Convert to fraction form
    83,535.36/115,268.46 = 53,338.36/x
  3. Step 3: Cross multiply
    83,535.36x = 115,268.46 × 53,338.36
  4. Step 4: Simplify right side
    83,535.36x = 6,148,230,616.13
  5. Step 5: Solve for x
    x = 6,148,230,616.13/83,535.36
  6. Step 6: Final answer
    x = 73,600.34

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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.