Home / 104,758.76-144,564.32-57,011.08

Finding the Fourth Proportional to 104,758.76, 144,564.32 and 57,011.08

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Solution

The fourth proportional to 104,758.76, 144,564.32 and 57,011.08 is: 78,673.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,758.76 : 144,564.32 = 57,011.08 : x
  2. Step 2: Convert to fraction form
    104,758.76/144,564.32 = 57,011.08/x
  3. Step 3: Cross multiply
    104,758.76x = 144,564.32 × 57,011.08
  4. Step 4: Simplify right side
    104,758.76x = 8,241,767,908.32
  5. Step 5: Solve for x
    x = 8,241,767,908.32/104,758.76
  6. Step 6: Final answer
    x = 78,673.78

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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.