Home / 104,934.68-144,809.60-57,187.95

Finding the Fourth Proportional to 104,934.68, 144,809.60 and 57,187.95

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Solution

The fourth proportional to 104,934.68, 144,809.60 and 57,187.95 is: 78,919.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,934.68 : 144,809.60 = 57,187.95 : x
  2. Step 2: Convert to fraction form
    104,934.68/144,809.60 = 57,187.95/x
  3. Step 3: Cross multiply
    104,934.68x = 144,809.60 × 57,187.95
  4. Step 4: Simplify right side
    104,934.68x = 8,281,364,164.32
  5. Step 5: Solve for x
    x = 8,281,364,164.32/104,934.68
  6. Step 6: Final answer
    x = 78,919.23

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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.