Home / 104,785.99-144,607.93-57,042.52

Finding the Fourth Proportional to 104,785.99, 144,607.93 and 57,042.52

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Solution

The fourth proportional to 104,785.99, 144,607.93 and 57,042.52 is: 78,720.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,785.99 : 144,607.93 = 57,042.52 : x
  2. Step 2: Convert to fraction form
    104,785.99/144,607.93 = 57,042.52/x
  3. Step 3: Cross multiply
    104,785.99x = 144,607.93 × 57,042.52
  4. Step 4: Simplify right side
    104,785.99x = 8,248,800,739.18
  5. Step 5: Solve for x
    x = 8,248,800,739.18/104,785.99
  6. Step 6: Final answer
    x = 78,720.45

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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.