Home / 125,977.77-173,846.70-68,617.71

Finding the Fourth Proportional to 125,977.77, 173,846.70 and 68,617.71

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Solution

The fourth proportional to 125,977.77, 173,846.70 and 68,617.71 is: 94,691.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,977.77 : 173,846.70 = 68,617.71 : x
  2. Step 2: Convert to fraction form
    125,977.77/173,846.70 = 68,617.71/x
  3. Step 3: Cross multiply
    125,977.77x = 173,846.70 × 68,617.71
  4. Step 4: Simplify right side
    125,977.77x = 11,928,962,445.06
  5. Step 5: Solve for x
    x = 11,928,962,445.06/125,977.77
  6. Step 6: Final answer
    x = 94,691.01

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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.