Home / 103,811.94-155,814.76-53,248.92

Finding the Fourth Proportional to 103,811.94, 155,814.76 and 53,248.92

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Solution

The fourth proportional to 103,811.94, 155,814.76 and 53,248.92 is: 79,923.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,811.94 : 155,814.76 = 53,248.92 : x
  2. Step 2: Convert to fraction form
    103,811.94/155,814.76 = 53,248.92/x
  3. Step 3: Cross multiply
    103,811.94x = 155,814.76 × 53,248.92
  4. Step 4: Simplify right side
    103,811.94x = 8,296,967,690.06
  5. Step 5: Solve for x
    x = 8,296,967,690.06/103,811.94
  6. Step 6: Final answer
    x = 79,923.06

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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.