Home / 103,848.65-143,312.04-58,517.95

Finding the Fourth Proportional to 103,848.65, 143,312.04 and 58,517.95

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Solution

The fourth proportional to 103,848.65, 143,312.04 and 58,517.95 is: 80,755.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,848.65 : 143,312.04 = 58,517.95 : x
  2. Step 2: Convert to fraction form
    103,848.65/143,312.04 = 58,517.95/x
  3. Step 3: Cross multiply
    103,848.65x = 143,312.04 × 58,517.95
  4. Step 4: Simplify right side
    103,848.65x = 8,386,325,781.97
  5. Step 5: Solve for x
    x = 8,386,325,781.97/103,848.65
  6. Step 6: Final answer
    x = 80,755.27

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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.