Home / 92,776.14-139,145.07-45,342.54

Finding the Fourth Proportional to 92,776.14, 139,145.07 and 45,342.54

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Solution

The fourth proportional to 92,776.14, 139,145.07 and 45,342.54 is: 68,004.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,776.14 : 139,145.07 = 45,342.54 : x
  2. Step 2: Convert to fraction form
    92,776.14/139,145.07 = 45,342.54/x
  3. Step 3: Cross multiply
    92,776.14x = 139,145.07 × 45,342.54
  4. Step 4: Simplify right side
    92,776.14x = 6,309,190,902.28
  5. Step 5: Solve for x
    x = 6,309,190,902.28/92,776.14
  6. Step 6: Final answer
    x = 68,004.46

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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.