Home / 105,654.57-158,430.11-52,284.93

Finding the Fourth Proportional to 105,654.57, 158,430.11 and 52,284.93

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Solution

The fourth proportional to 105,654.57, 158,430.11 and 52,284.93 is: 78,401.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,654.57 : 158,430.11 = 52,284.93 : x
  2. Step 2: Convert to fraction form
    105,654.57/158,430.11 = 52,284.93/x
  3. Step 3: Cross multiply
    105,654.57x = 158,430.11 × 52,284.93
  4. Step 4: Simplify right side
    105,654.57x = 8,283,507,211.24
  5. Step 5: Solve for x
    x = 8,283,507,211.24/105,654.57
  6. Step 6: Final answer
    x = 78,401.79

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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.