Home / 76,150.36-105,135.20-48,937.48

Finding the Fourth Proportional to 76,150.36, 105,135.20 and 48,937.48

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Solution

The fourth proportional to 76,150.36, 105,135.20 and 48,937.48 is: 67,564.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,150.36 : 105,135.20 = 48,937.48 : x
  2. Step 2: Convert to fraction form
    76,150.36/105,135.20 = 48,937.48/x
  3. Step 3: Cross multiply
    76,150.36x = 105,135.20 × 48,937.48
  4. Step 4: Simplify right side
    76,150.36x = 5,145,051,747.30
  5. Step 5: Solve for x
    x = 5,145,051,747.30/76,150.36
  6. Step 6: Final answer
    x = 67,564.38

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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.