Home / 76,659.36-115,007.50-32,298.80

Finding the Fourth Proportional to 76,659.36, 115,007.50 and 32,298.80

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Solution

The fourth proportional to 76,659.36, 115,007.50 and 32,298.80 is: 48,455.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,659.36 : 115,007.50 = 32,298.80 : x
  2. Step 2: Convert to fraction form
    76,659.36/115,007.50 = 32,298.80/x
  3. Step 3: Cross multiply
    76,659.36x = 115,007.50 × 32,298.80
  4. Step 4: Simplify right side
    76,659.36x = 3,714,604,171.57
  5. Step 5: Solve for x
    x = 3,714,604,171.57/76,659.36
  6. Step 6: Final answer
    x = 48,455.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.