Home / 83,933.14-115,843.26-48,123.40

Finding the Fourth Proportional to 83,933.14, 115,843.26 and 48,123.40

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Solution

The fourth proportional to 83,933.14, 115,843.26 and 48,123.40 is: 66,419.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,933.14 : 115,843.26 = 48,123.40 : x
  2. Step 2: Convert to fraction form
    83,933.14/115,843.26 = 48,123.40/x
  3. Step 3: Cross multiply
    83,933.14x = 115,843.26 × 48,123.40
  4. Step 4: Simplify right side
    83,933.14x = 5,574,771,538.28
  5. Step 5: Solve for x
    x = 5,574,771,538.28/83,933.14
  6. Step 6: Final answer
    x = 66,419.19

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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.