Home / 53,086.93-79,638.59-19,355.79

Finding the Fourth Proportional to 53,086.93, 79,638.59 and 19,355.79

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Solution

The fourth proportional to 53,086.93, 79,638.59 and 19,355.79 is: 29,036.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,086.93 : 79,638.59 = 19,355.79 : x
  2. Step 2: Convert to fraction form
    53,086.93/79,638.59 = 19,355.79/x
  3. Step 3: Cross multiply
    53,086.93x = 79,638.59 × 19,355.79
  4. Step 4: Simplify right side
    53,086.93x = 1,541,467,823.94
  5. Step 5: Solve for x
    x = 1,541,467,823.94/53,086.93
  6. Step 6: Final answer
    x = 29,036.67

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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.