Home / 103,669.04-143,064.12-58,959.92

Finding the Fourth Proportional to 103,669.04, 143,064.12 and 58,959.92

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Solution

The fourth proportional to 103,669.04, 143,064.12 and 58,959.92 is: 81,365.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,669.04 : 143,064.12 = 58,959.92 : x
  2. Step 2: Convert to fraction form
    103,669.04/143,064.12 = 58,959.92/x
  3. Step 3: Cross multiply
    103,669.04x = 143,064.12 × 58,959.92
  4. Step 4: Simplify right side
    103,669.04x = 8,435,049,070.07
  5. Step 5: Solve for x
    x = 8,435,049,070.07/103,669.04
  6. Step 6: Final answer
    x = 81,365.17

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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.