Home / 108,842.20-163,061.70-61,955.80

Finding the Fourth Proportional to 108,842.20, 163,061.70 and 61,955.80

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Solution

The fourth proportional to 108,842.20, 163,061.70 and 61,955.80 is: 92,818.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,842.20 : 163,061.70 = 61,955.80 : x
  2. Step 2: Convert to fraction form
    108,842.20/163,061.70 = 61,955.80/x
  3. Step 3: Cross multiply
    108,842.20x = 163,061.70 × 61,955.80
  4. Step 4: Simplify right side
    108,842.20x = 10,102,618,072.86
  5. Step 5: Solve for x
    x = 10,102,618,072.86/108,842.20
  6. Step 6: Final answer
    x = 92,818.94

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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.