Home / 80,915.77-111,654.52-46,917.16

Finding the Fourth Proportional to 80,915.77, 111,654.52 and 46,917.16

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Solution

The fourth proportional to 80,915.77, 111,654.52 and 46,917.16 is: 64,740.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,915.77 : 111,654.52 = 46,917.16 : x
  2. Step 2: Convert to fraction form
    80,915.77/111,654.52 = 46,917.16/x
  3. Step 3: Cross multiply
    80,915.77x = 111,654.52 × 46,917.16
  4. Step 4: Simplify right side
    80,915.77x = 5,238,512,979.56
  5. Step 5: Solve for x
    x = 5,238,512,979.56/80,915.77
  6. Step 6: Final answer
    x = 64,740.32

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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.