Home / 106,330.55-159,518.70-53,051.18

Finding the Fourth Proportional to 106,330.55, 159,518.70 and 53,051.18

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Solution

The fourth proportional to 106,330.55, 159,518.70 and 53,051.18 is: 79,588.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,330.55 : 159,518.70 = 53,051.18 : x
  2. Step 2: Convert to fraction form
    106,330.55/159,518.70 = 53,051.18/x
  3. Step 3: Cross multiply
    106,330.55x = 159,518.70 × 53,051.18
  4. Step 4: Simplify right side
    106,330.55x = 8,462,654,469.47
  5. Step 5: Solve for x
    x = 8,462,654,469.47/106,330.55
  6. Step 6: Final answer
    x = 79,588.18

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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.