Home / 80,681.34-111,331.73-44,865.57

Finding the Fourth Proportional to 80,681.34, 111,331.73 and 44,865.57

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Solution

The fourth proportional to 80,681.34, 111,331.73 and 44,865.57 is: 61,909.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,681.34 : 111,331.73 = 44,865.57 : x
  2. Step 2: Convert to fraction form
    80,681.34/111,331.73 = 44,865.57/x
  3. Step 3: Cross multiply
    80,681.34x = 111,331.73 × 44,865.57
  4. Step 4: Simplify right side
    80,681.34x = 4,994,961,525.54
  5. Step 5: Solve for x
    x = 4,994,961,525.54/80,681.34
  6. Step 6: Final answer
    x = 61,909.75

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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.