Home / 83,937.72-115,830.66-48,102.84

Finding the Fourth Proportional to 83,937.72, 115,830.66 and 48,102.84

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Solution

The fourth proportional to 83,937.72, 115,830.66 and 48,102.84 is: 66,379.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,937.72 : 115,830.66 = 48,102.84 : x
  2. Step 2: Convert to fraction form
    83,937.72/115,830.66 = 48,102.84/x
  3. Step 3: Cross multiply
    83,937.72x = 115,830.66 × 48,102.84
  4. Step 4: Simplify right side
    83,937.72x = 5,571,783,705.07
  5. Step 5: Solve for x
    x = 5,571,783,705.07/83,937.72
  6. Step 6: Final answer
    x = 66,379.97

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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.