Home / 104,838.40-144,678.72-57,092.68

Finding the Fourth Proportional to 104,838.40, 144,678.72 and 57,092.68

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Solution

The fourth proportional to 104,838.40, 144,678.72 and 57,092.68 is: 78,788.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,838.40 : 144,678.72 = 57,092.68 : x
  2. Step 2: Convert to fraction form
    104,838.40/144,678.72 = 57,092.68/x
  3. Step 3: Cross multiply
    104,838.40x = 144,678.72 × 57,092.68
  4. Step 4: Simplify right side
    104,838.40x = 8,260,095,863.77
  5. Step 5: Solve for x
    x = 8,260,095,863.77/104,838.40
  6. Step 6: Final answer
    x = 78,788.84

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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.