Home / 125,392.32-173,039.04-68,803.20

Finding the Fourth Proportional to 125,392.32, 173,039.04 and 68,803.20

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Solution

The fourth proportional to 125,392.32, 173,039.04 and 68,803.20 is: 94,947.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,392.32 : 173,039.04 = 68,803.20 : x
  2. Step 2: Convert to fraction form
    125,392.32/173,039.04 = 68,803.20/x
  3. Step 3: Cross multiply
    125,392.32x = 173,039.04 × 68,803.20
  4. Step 4: Simplify right side
    125,392.32x = 11,905,639,676.93
  5. Step 5: Solve for x
    x = 11,905,639,676.93/125,392.32
  6. Step 6: Final answer
    x = 94,947.12

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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.