Home / 77,135.22-106,429.32-48,824.46

Finding the Fourth Proportional to 77,135.22, 106,429.32 and 48,824.46

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Solution

The fourth proportional to 77,135.22, 106,429.32 and 48,824.46 is: 67,366.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,135.22 : 106,429.32 = 48,824.46 : x
  2. Step 2: Convert to fraction form
    77,135.22/106,429.32 = 48,824.46/x
  3. Step 3: Cross multiply
    77,135.22x = 106,429.32 × 48,824.46
  4. Step 4: Simplify right side
    77,135.22x = 5,196,354,077.17
  5. Step 5: Solve for x
    x = 5,196,354,077.17/77,135.22
  6. Step 6: Final answer
    x = 67,366.81

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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.