Home / 76,979.52-106,232.04-45,149.04

Finding the Fourth Proportional to 76,979.52, 106,232.04 and 45,149.04

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Solution

The fourth proportional to 76,979.52, 106,232.04 and 45,149.04 is: 62,305.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,979.52 : 106,232.04 = 45,149.04 : x
  2. Step 2: Convert to fraction form
    76,979.52/106,232.04 = 45,149.04/x
  3. Step 3: Cross multiply
    76,979.52x = 106,232.04 × 45,149.04
  4. Step 4: Simplify right side
    76,979.52x = 4,796,274,623.24
  5. Step 5: Solve for x
    x = 4,796,274,623.24/76,979.52
  6. Step 6: Final answer
    x = 62,305.85

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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.