Home / 103,371.80-155,070.66-50,736.92

Finding the Fourth Proportional to 103,371.80, 155,070.66 and 50,736.92

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Solution

The fourth proportional to 103,371.80, 155,070.66 and 50,736.92 is: 76,111.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,371.80 : 155,070.66 = 50,736.92 : x
  2. Step 2: Convert to fraction form
    103,371.80/155,070.66 = 50,736.92/x
  3. Step 3: Cross multiply
    103,371.80x = 155,070.66 × 50,736.92
  4. Step 4: Simplify right side
    103,371.80x = 7,867,807,670.77
  5. Step 5: Solve for x
    x = 7,867,807,670.77/103,371.80
  6. Step 6: Final answer
    x = 76,111.74

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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.