Home / 104,799.63-144,618.95-57,053.15

Finding the Fourth Proportional to 104,799.63, 144,618.95 and 57,053.15

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Solution

The fourth proportional to 104,799.63, 144,618.95 and 57,053.15 is: 78,730.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,799.63 : 144,618.95 = 57,053.15 : x
  2. Step 2: Convert to fraction form
    104,799.63/144,618.95 = 57,053.15/x
  3. Step 3: Cross multiply
    104,799.63x = 144,618.95 × 57,053.15
  4. Step 4: Simplify right side
    104,799.63x = 8,250,966,066.73
  5. Step 5: Solve for x
    x = 8,250,966,066.73/104,799.63
  6. Step 6: Final answer
    x = 78,730.87

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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.