Home / 104,784.08-144,601.88-57,037.28

Finding the Fourth Proportional to 104,784.08, 144,601.88 and 57,037.28

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Solution

The fourth proportional to 104,784.08, 144,601.88 and 57,037.28 is: 78,711.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,784.08 : 144,601.88 = 57,037.28 : x
  2. Step 2: Convert to fraction form
    104,784.08/144,601.88 = 57,037.28/x
  3. Step 3: Cross multiply
    104,784.08x = 144,601.88 × 57,037.28
  4. Step 4: Simplify right side
    104,784.08x = 8,247,697,918.09
  5. Step 5: Solve for x
    x = 8,247,697,918.09/104,784.08
  6. Step 6: Final answer
    x = 78,711.36

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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.