Home / 80,975.64-111,746.58-45,167.97

Finding the Fourth Proportional to 80,975.64, 111,746.58 and 45,167.97

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Solution

The fourth proportional to 80,975.64, 111,746.58 and 45,167.97 is: 62,331.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,975.64 : 111,746.58 = 45,167.97 : x
  2. Step 2: Convert to fraction form
    80,975.64/111,746.58 = 45,167.97/x
  3. Step 3: Cross multiply
    80,975.64x = 111,746.58 × 45,167.97
  4. Step 4: Simplify right side
    80,975.64x = 5,047,366,173.04
  5. Step 5: Solve for x
    x = 5,047,366,173.04/80,975.64
  6. Step 6: Final answer
    x = 62,331.91

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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.