Home / 92,670.75-139,007.34-30,341.25

Finding the Fourth Proportional to 92,670.75, 139,007.34 and 30,341.25

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Solution

The fourth proportional to 92,670.75, 139,007.34 and 30,341.25 is: 45,512.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,670.75 : 139,007.34 = 30,341.25 : x
  2. Step 2: Convert to fraction form
    92,670.75/139,007.34 = 30,341.25/x
  3. Step 3: Cross multiply
    92,670.75x = 139,007.34 × 30,341.25
  4. Step 4: Simplify right side
    92,670.75x = 4,217,656,454.78
  5. Step 5: Solve for x
    x = 4,217,656,454.78/92,670.75
  6. Step 6: Final answer
    x = 45,512.27

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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.