Home / 76,962.66-115,365.49-43,612.27

Finding the Fourth Proportional to 76,962.66, 115,365.49 and 43,612.27

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Solution

The fourth proportional to 76,962.66, 115,365.49 and 43,612.27 is: 65,373.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,962.66 : 115,365.49 = 43,612.27 : x
  2. Step 2: Convert to fraction form
    76,962.66/115,365.49 = 43,612.27/x
  3. Step 3: Cross multiply
    76,962.66x = 115,365.49 × 43,612.27
  4. Step 4: Simplify right side
    76,962.66x = 5,031,350,898.56
  5. Step 5: Solve for x
    x = 5,031,350,898.56/76,962.66
  6. Step 6: Final answer
    x = 65,373.92

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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.