Home / 104,934.45-144,809.73-57,187.77

Finding the Fourth Proportional to 104,934.45, 144,809.73 and 57,187.77

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Solution

The fourth proportional to 104,934.45, 144,809.73 and 57,187.77 is: 78,919.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,934.45 : 144,809.73 = 57,187.77 : x
  2. Step 2: Convert to fraction form
    104,934.45/144,809.73 = 57,187.77/x
  3. Step 3: Cross multiply
    104,934.45x = 144,809.73 × 57,187.77
  4. Step 4: Simplify right side
    104,934.45x = 8,281,345,533.00
  5. Step 5: Solve for x
    x = 8,281,345,533.00/104,934.45
  6. Step 6: Final answer
    x = 78,919.23

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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.