Home / 76,979.04-106,230.24-43,444.32

Finding the Fourth Proportional to 76,979.04, 106,230.24 and 43,444.32

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Solution

The fourth proportional to 76,979.04, 106,230.24 and 43,444.32 is: 59,952.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,979.04 : 106,230.24 = 43,444.32 : x
  2. Step 2: Convert to fraction form
    76,979.04/106,230.24 = 43,444.32/x
  3. Step 3: Cross multiply
    76,979.04x = 106,230.24 × 43,444.32
  4. Step 4: Simplify right side
    76,979.04x = 4,615,100,540.24
  5. Step 5: Solve for x
    x = 4,615,100,540.24/76,979.04
  6. Step 6: Final answer
    x = 59,952.69

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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.