Home / 77,377.21-106,827.14-50,564.59

Finding the Fourth Proportional to 77,377.21, 106,827.14 and 50,564.59

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Solution

The fourth proportional to 77,377.21, 106,827.14 and 50,564.59 is: 69,809.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,377.21 : 106,827.14 = 50,564.59 : x
  2. Step 2: Convert to fraction form
    77,377.21/106,827.14 = 50,564.59/x
  3. Step 3: Cross multiply
    77,377.21x = 106,827.14 × 50,564.59
  4. Step 4: Simplify right side
    77,377.21x = 5,401,670,534.97
  5. Step 5: Solve for x
    x = 5,401,670,534.97/77,377.21
  6. Step 6: Final answer
    x = 69,809.58

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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.