Home / 105,985.89-159,002.19-58,670

Finding the Fourth Proportional to 105,985.89, 159,002.19 and 58,670

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Solution

The fourth proportional to 105,985.89, 159,002.19 and 58,670 is: 88,017.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,985.89 : 159,002.19 = 58,670 : x
  2. Step 2: Convert to fraction form
    105,985.89/159,002.19 = 58,670/x
  3. Step 3: Cross multiply
    105,985.89x = 159,002.19 × 58,670
  4. Step 4: Simplify right side
    105,985.89x = 9,328,658,487.30
  5. Step 5: Solve for x
    x = 9,328,658,487.30/105,985.89
  6. Step 6: Final answer
    x = 88,017.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.