Home / 83,890.10-115,768.26-46,164.36

Finding the Fourth Proportional to 83,890.10, 115,768.26 and 46,164.36

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Solution

The fourth proportional to 83,890.10, 115,768.26 and 46,164.36 is: 63,706.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,890.10 : 115,768.26 = 46,164.36 : x
  2. Step 2: Convert to fraction form
    83,890.10/115,768.26 = 46,164.36/x
  3. Step 3: Cross multiply
    83,890.10x = 115,768.26 × 46,164.36
  4. Step 4: Simplify right side
    83,890.10x = 5,344,367,631.21
  5. Step 5: Solve for x
    x = 5,344,367,631.21/83,890.10
  6. Step 6: Final answer
    x = 63,706.77

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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.