Home / 109,263.05-163,894.34-34,389.74

Finding the Fourth Proportional to 109,263.05, 163,894.34 and 34,389.74

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Solution

The fourth proportional to 109,263.05, 163,894.34 and 34,389.74 is: 51,584.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,263.05 : 163,894.34 = 34,389.74 : x
  2. Step 2: Convert to fraction form
    109,263.05/163,894.34 = 34,389.74/x
  3. Step 3: Cross multiply
    109,263.05x = 163,894.34 × 34,389.74
  4. Step 4: Simplify right side
    109,263.05x = 5,636,283,977.86
  5. Step 5: Solve for x
    x = 5,636,283,977.86/109,263.05
  6. Step 6: Final answer
    x = 51,584.54

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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.