Home / 105,829.89-146,045.12-58,083.36

Finding the Fourth Proportional to 105,829.89, 146,045.12 and 58,083.36

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Solution

The fourth proportional to 105,829.89, 146,045.12 and 58,083.36 is: 80,154.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,829.89 : 146,045.12 = 58,083.36 : x
  2. Step 2: Convert to fraction form
    105,829.89/146,045.12 = 58,083.36/x
  3. Step 3: Cross multiply
    105,829.89x = 146,045.12 × 58,083.36
  4. Step 4: Simplify right side
    105,829.89x = 8,482,791,281.20
  5. Step 5: Solve for x
    x = 8,482,791,281.20/105,829.89
  6. Step 6: Final answer
    x = 80,154.97

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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.