Home / 99,556.59-137,383.64-58,167.42

Finding the Fourth Proportional to 99,556.59, 137,383.64 and 58,167.42

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Solution

The fourth proportional to 99,556.59, 137,383.64 and 58,167.42 is: 80,268.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,556.59 : 137,383.64 = 58,167.42 : x
  2. Step 2: Convert to fraction form
    99,556.59/137,383.64 = 58,167.42/x
  3. Step 3: Cross multiply
    99,556.59x = 137,383.64 × 58,167.42
  4. Step 4: Simplify right side
    99,556.59x = 7,991,251,598.17
  5. Step 5: Solve for x
    x = 7,991,251,598.17/99,556.59
  6. Step 6: Final answer
    x = 80,268.43

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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.