Home / 108,957.06-163,284.39-49,647.78

Finding the Fourth Proportional to 108,957.06, 163,284.39 and 49,647.78

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Solution

The fourth proportional to 108,957.06, 163,284.39 and 49,647.78 is: 74,402.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,957.06 : 163,284.39 = 49,647.78 : x
  2. Step 2: Convert to fraction form
    108,957.06/163,284.39 = 49,647.78/x
  3. Step 3: Cross multiply
    108,957.06x = 163,284.39 × 49,647.78
  4. Step 4: Simplify right side
    108,957.06x = 8,106,707,472.15
  5. Step 5: Solve for x
    x = 8,106,707,472.15/108,957.06
  6. Step 6: Final answer
    x = 74,402.77

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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.