Home / 104,920.06-144,787.80-57,173.80

Finding the Fourth Proportional to 104,920.06, 144,787.80 and 57,173.80

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Solution

The fourth proportional to 104,920.06, 144,787.80 and 57,173.80 is: 78,898.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,920.06 : 144,787.80 = 57,173.80 : x
  2. Step 2: Convert to fraction form
    104,920.06/144,787.80 = 57,173.80/x
  3. Step 3: Cross multiply
    104,920.06x = 144,787.80 × 57,173.80
  4. Step 4: Simplify right side
    104,920.06x = 8,278,068,719.64
  5. Step 5: Solve for x
    x = 8,278,068,719.64/104,920.06
  6. Step 6: Final answer
    x = 78,898.82

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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.