Home / 115,623.48-173,432.79-53,293.98

Finding the Fourth Proportional to 115,623.48, 173,432.79 and 53,293.98

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Solution

The fourth proportional to 115,623.48, 173,432.79 and 53,293.98 is: 79,939.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,623.48 : 173,432.79 = 53,293.98 : x
  2. Step 2: Convert to fraction form
    115,623.48/173,432.79 = 53,293.98/x
  3. Step 3: Cross multiply
    115,623.48x = 173,432.79 × 53,293.98
  4. Step 4: Simplify right side
    115,623.48x = 9,242,923,641.60
  5. Step 5: Solve for x
    x = 9,242,923,641.60/115,623.48
  6. Step 6: Final answer
    x = 79,939.85

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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.