Home / 105,848.88-146,070.90-58,103.04

Finding the Fourth Proportional to 105,848.88, 146,070.90 and 58,103.04

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Solution

The fourth proportional to 105,848.88, 146,070.90 and 58,103.04 is: 80,181.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,848.88 : 146,070.90 = 58,103.04 : x
  2. Step 2: Convert to fraction form
    105,848.88/146,070.90 = 58,103.04/x
  3. Step 3: Cross multiply
    105,848.88x = 146,070.90 × 58,103.04
  4. Step 4: Simplify right side
    105,848.88x = 8,487,163,345.54
  5. Step 5: Solve for x
    x = 8,487,163,345.54/105,848.88
  6. Step 6: Final answer
    x = 80,181.89

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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.