Home / 80,686.94-111,353.54-44,880.28

Finding the Fourth Proportional to 80,686.94, 111,353.54 and 44,880.28

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Solution

The fourth proportional to 80,686.94, 111,353.54 and 44,880.28 is: 61,937.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,686.94 : 111,353.54 = 44,880.28 : x
  2. Step 2: Convert to fraction form
    80,686.94/111,353.54 = 44,880.28/x
  3. Step 3: Cross multiply
    80,686.94x = 111,353.54 × 44,880.28
  4. Step 4: Simplify right side
    80,686.94x = 4,997,577,551.41
  5. Step 5: Solve for x
    x = 4,997,577,551.41/80,686.94
  6. Step 6: Final answer
    x = 61,937.88

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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.