Home / 80,709.60-111,379.78-44,901.12

Finding the Fourth Proportional to 80,709.60, 111,379.78 and 44,901.12

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Solution

The fourth proportional to 80,709.60, 111,379.78 and 44,901.12 is: 61,963.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,709.60 : 111,379.78 = 44,901.12 : x
  2. Step 2: Convert to fraction form
    80,709.60/111,379.78 = 44,901.12/x
  3. Step 3: Cross multiply
    80,709.60x = 111,379.78 × 44,901.12
  4. Step 4: Simplify right side
    80,709.60x = 5,001,076,867.35
  5. Step 5: Solve for x
    x = 5,001,076,867.35/80,709.60
  6. Step 6: Final answer
    x = 61,963.84

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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.