Home / 80,554.26-111,126.33-56,694.18

Finding the Fourth Proportional to 80,554.26, 111,126.33 and 56,694.18

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Solution

The fourth proportional to 80,554.26, 111,126.33 and 56,694.18 is: 78,210.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,554.26 : 111,126.33 = 56,694.18 : x
  2. Step 2: Convert to fraction form
    80,554.26/111,126.33 = 56,694.18/x
  3. Step 3: Cross multiply
    80,554.26x = 111,126.33 × 56,694.18
  4. Step 4: Simplify right side
    80,554.26x = 6,300,216,155.76
  5. Step 5: Solve for x
    x = 6,300,216,155.76/80,554.26
  6. Step 6: Final answer
    x = 78,210.84

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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.