Home / 108,713.89-163,126.50-49,541.95

Finding the Fourth Proportional to 108,713.89, 163,126.50 and 49,541.95

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Solution

The fourth proportional to 108,713.89, 163,126.50 and 49,541.95 is: 74,338.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,713.89 : 163,126.50 = 49,541.95 : x
  2. Step 2: Convert to fraction form
    108,713.89/163,126.50 = 49,541.95/x
  3. Step 3: Cross multiply
    108,713.89x = 163,126.50 × 49,541.95
  4. Step 4: Simplify right side
    108,713.89x = 8,081,604,906.68
  5. Step 5: Solve for x
    x = 8,081,604,906.68/108,713.89
  6. Step 6: Final answer
    x = 74,338.29

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1.5x scale

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.