Home / 56,693.14-78,236.90-31,198.80

Finding the Fourth Proportional to 56,693.14, 78,236.90 and 31,198.80

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Solution

The fourth proportional to 56,693.14, 78,236.90 and 31,198.80 is: 43,054.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,693.14 : 78,236.90 = 31,198.80 : x
  2. Step 2: Convert to fraction form
    56,693.14/78,236.90 = 31,198.80/x
  3. Step 3: Cross multiply
    56,693.14x = 78,236.90 × 31,198.80
  4. Step 4: Simplify right side
    56,693.14x = 2,440,897,395.72
  5. Step 5: Solve for x
    x = 2,440,897,395.72/56,693.14
  6. Step 6: Final answer
    x = 43,054.55

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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.