Home / 77,813.67-107,381.70-43,822.25

Finding the Fourth Proportional to 77,813.67, 107,381.70 and 43,822.25

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Solution

The fourth proportional to 77,813.67, 107,381.70 and 43,822.25 is: 60,474.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,813.67 : 107,381.70 = 43,822.25 : x
  2. Step 2: Convert to fraction form
    77,813.67/107,381.70 = 43,822.25/x
  3. Step 3: Cross multiply
    77,813.67x = 107,381.70 × 43,822.25
  4. Step 4: Simplify right side
    77,813.67x = 4,705,707,165.92
  5. Step 5: Solve for x
    x = 4,705,707,165.92/77,813.67
  6. Step 6: Final answer
    x = 60,474.04

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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.