Home / 77,250.29-106,589.99-47,015.35

Finding the Fourth Proportional to 77,250.29, 106,589.99 and 47,015.35

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Solution

The fourth proportional to 77,250.29, 106,589.99 and 47,015.35 is: 64,871.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,250.29 : 106,589.99 = 47,015.35 : x
  2. Step 2: Convert to fraction form
    77,250.29/106,589.99 = 47,015.35/x
  3. Step 3: Cross multiply
    77,250.29x = 106,589.99 × 47,015.35
  4. Step 4: Simplify right side
    77,250.29x = 5,011,365,537.41
  5. Step 5: Solve for x
    x = 5,011,365,537.41/77,250.29
  6. Step 6: Final answer
    x = 64,871.81

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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.