Home / 105,358.41-158,035.95-26,472.69

Finding the Fourth Proportional to 105,358.41, 158,035.95 and 26,472.69

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Solution

The fourth proportional to 105,358.41, 158,035.95 and 26,472.69 is: 39,708.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,358.41 : 158,035.95 = 26,472.69 : x
  2. Step 2: Convert to fraction form
    105,358.41/158,035.95 = 26,472.69/x
  3. Step 3: Cross multiply
    105,358.41x = 158,035.95 × 26,472.69
  4. Step 4: Simplify right side
    105,358.41x = 4,183,636,713.21
  5. Step 5: Solve for x
    x = 4,183,636,713.21/105,358.41
  6. Step 6: Final answer
    x = 39,708.62

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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.