Home / 104,021.39-143,550.69-58,699.92

Finding the Fourth Proportional to 104,021.39, 143,550.69 and 58,699.92

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Solution

The fourth proportional to 104,021.39, 143,550.69 and 58,699.92 is: 81,006.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,021.39 : 143,550.69 = 58,699.92 : x
  2. Step 2: Convert to fraction form
    104,021.39/143,550.69 = 58,699.92/x
  3. Step 3: Cross multiply
    104,021.39x = 143,550.69 × 58,699.92
  4. Step 4: Simplify right side
    104,021.39x = 8,426,413,538.66
  5. Step 5: Solve for x
    x = 8,426,413,538.66/104,021.39
  6. Step 6: Final answer
    x = 81,006.55

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1.5x scale

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.