Home / 80,837.29-111,555.50-46,865.49

Finding the Fourth Proportional to 80,837.29, 111,555.50 and 46,865.49

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Solution

The fourth proportional to 80,837.29, 111,555.50 and 46,865.49 is: 64,674.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,837.29 : 111,555.50 = 46,865.49 : x
  2. Step 2: Convert to fraction form
    80,837.29/111,555.50 = 46,865.49/x
  3. Step 3: Cross multiply
    80,837.29x = 111,555.50 × 46,865.49
  4. Step 4: Simplify right side
    80,837.29x = 5,228,103,169.70
  5. Step 5: Solve for x
    x = 5,228,103,169.70/80,837.29
  6. Step 6: Final answer
    x = 64,674.40

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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.