Home / 105,955.62-158,777.91-53,292.66

Finding the Fourth Proportional to 105,955.62, 158,777.91 and 53,292.66

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Solution

The fourth proportional to 105,955.62, 158,777.91 and 53,292.66 is: 79,860.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,955.62 : 158,777.91 = 53,292.66 : x
  2. Step 2: Convert to fraction form
    105,955.62/158,777.91 = 53,292.66/x
  3. Step 3: Cross multiply
    105,955.62x = 158,777.91 × 53,292.66
  4. Step 4: Simplify right side
    105,955.62x = 8,461,697,173.14
  5. Step 5: Solve for x
    x = 8,461,697,173.14/105,955.62
  6. Step 6: Final answer
    x = 79,860.77

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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.