Home / 76,778.02-115,150.71-32,387.62

Finding the Fourth Proportional to 76,778.02, 115,150.71 and 32,387.62

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Solution

The fourth proportional to 76,778.02, 115,150.71 and 32,387.62 is: 48,574.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,778.02 : 115,150.71 = 32,387.62 : x
  2. Step 2: Convert to fraction form
    76,778.02/115,150.71 = 32,387.62/x
  3. Step 3: Cross multiply
    76,778.02x = 115,150.71 × 32,387.62
  4. Step 4: Simplify right side
    76,778.02x = 3,729,457,438.21
  5. Step 5: Solve for x
    x = 3,729,457,438.21/76,778.02
  6. Step 6: Final answer
    x = 48,574.55

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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.