Home / 55,805.25-76,989.55-31,600.66

Finding the Fourth Proportional to 55,805.25, 76,989.55 and 31,600.66

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Solution

The fourth proportional to 55,805.25, 76,989.55 and 31,600.66 is: 43,596.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,805.25 : 76,989.55 = 31,600.66 : x
  2. Step 2: Convert to fraction form
    55,805.25/76,989.55 = 31,600.66/x
  3. Step 3: Cross multiply
    55,805.25x = 76,989.55 × 31,600.66
  4. Step 4: Simplify right side
    55,805.25x = 2,432,920,219.82
  5. Step 5: Solve for x
    x = 2,432,920,219.82/55,805.25
  6. Step 6: Final answer
    x = 43,596.62

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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.